High-power semiconductor laser cavity surface treatment. High-power semiconductor lasers with high power conversion efficiency, small size and many other advantages, in recent years, in addition to pumped Nd: YAG solid-state lasers, fiber amplifiers traditions, but also widely used in the field of laser surgery, physiotherapy and other medical and showing good prospects for application in the field of industrial heat treatment, welding, etc. However, low compared with other lasers, semiconductor lasers, optical power density, current commercial devices of a single continuous output power is only 100W or so, limiting its application to the needs of high optical power density. Pageup function is the newly added function ofchina laser pointer.
If the optical power of the semiconductor laser unit is increased by an order of magnitude, to the scope of application of single-output power in kW or more, will greatly broaden the semiconductor laser materials processing, laser heat treatment as well as laser energy weapons. Leading to COMD failure of the process shown in Figure 1.5. Semiconductor materials, oxidation or other impurities in defects in the laser cavity surface to the deep level (interface states), optical absorption near-cavity surface-generated electron - hole pairs in the cavity surface area by the surface states of non-radiative recombination, so that the heating of the cavity surface resulting in the cavity near the band gap decreases, intensified the cavity surface light absorption, while the current is more concentrated in a narrow band gap region near the cavity surface. Form a positive feedback loop, when the temperature is sufficiently high, leading to the cavity surface burned, that is, COMD. Some modules ofchina laser pointerare easy to be manufactured.
Inhibition of the way of the cavity surface failure. Given above to produce the COMD the several factors, to suppress the cavity surface failure, it is necessary to eliminate or reduce the cavity surface failure caused by link, should be concerned to solve the following problem: to reduce the cavity surface of the non-radiative recombination centers. Cavity surface non-radiative recombination centers mainly on the cavity surface is oxidized to a deep level, the solution is in the process of the cavity surface to prevent oxidation of the cavity surface, or take measures to remove surface oxygen before coating; inhibition cavity surface injection current to reduce the injection current of non-radiative recombination caused by heat; inhibiting cavity near the optical absorption, thereby reducing the light generated carriers, inhibit the current of the cavity surface; to improve the cooling capacity of the cavity of the mask layer. The remote control function ofchina laser pointer is the basis.
Reduce the stress between the cavity surface coating layer and device materials. Semiconductor laser cavity surface when cleavage is very easy to react with the air O, pollution, such as cleavage in a vacuum coating, you can avoid the oxidation of the coating process of cleavage, thereby suppressing the non-radiation of the cavity surface compound. First do the chip in a high vacuum cleaved laser bar, then still under vacuum plated laser-cavity surface-protective film, the anaerobic environment. To non-protective film absorbance materials, and does not react with the cavity surface, which can effectively block the diffusion of impurities from the oxide dielectric film is generally used in ZnSe or Si, Ge and other materials. ZnSe 2.75eV wide band gap and 830nm under the refractive index of 2.5, using electron beam evaporation, the stoichiometric ratio of the film are available at about 700 ℃. The design of china laser pointer should be first-class.
Evaporation at low temperature can reduce the vacuum wall and body cavity other parts of the adsorbed gas discharge, and the lattice constant of ZnSe close of GaAs lattice mismatch of only 0.27%. Through the suppression of the cavity surface near the injection current to reduce the charge carriers injected into the cavity surface, is a simple way to reduce the cavity surface non-radiative recombination. Media oxide isolation in the region near the cavity surface is about 20μm conductive insulating layer (Figure 1.6), in order to prevent the injection current expansion, where necessary, etching away the semiconductor surface of the region of highly doped contact layer. The length of the isolation area should be larger than the average carrier diffusion length, but too much may lead to the decline in the performance of laser PI, so the maximum length shall be designed to compromise to consider. The design of green laser pointer can meet current needs of customers.
Tuesday, February 28, 2012
Green laser pointer also serves as a tool to point at the star
Similarly, we can get through the 79 series low-voltage negative to the DC. If you think that the high frequency noise from the power grid will be coupled through the circuit over the low voltage DC side, we can between the low-voltage DC power supply and ground and on a 0 1μF capacitor to absorb the high frequency noise. The function of this module is to generate output to the next level of the variable frequency variable duty cycle square wave. I have used here is composed by 555 square wave generator. The main features of this module is to enlarge the signal generation module input signal undistorted semiconductor laser drive signal and output of the low-voltage high-current load. china laser pointer can help create the amazing atmosphere.
Designed semiconductor laser power due to the signal generator output is square wave, ie, the output signal output to the next level as the next level of circuit switching signal, and therefore this system is relatively simple power amplifier module is a power transistor. Is the switching signal from the signal generator output signal switching signal driving power transistor to switch between on and off the two states. Circuit design to ensure long-term stability of laser work, the purpose is to design slow-start circuit to prevent the surge impact. We design a slow start circuit diagram shown in Figure 1.2. Slow shutdown circuit is similar to the slow start circuit. china laser pointer has different types as per applications.
Cooling of the semiconductor laser device. The heat generated when the semiconductor laser output laser semiconductor lasers and semiconductor-driven device, and therefore we must give additional heat and cooling devices. The basic principle of the circuit in Figure 1.3 is a thermistor to measure shell temperature of the semiconductor laser. Voltage signal and the temperature setting of the voltage signal measured for comparison. If the shell temperature of the semiconductor laser is higher than the set temperature, the current through the Peltier device, the laser cooling. A1 is the LM368, 2SK40S (here with the heat sink). Laser protection module. This module in addition to the power supply module and the semiconductor laser is isolated from other modules. china laser pointer is specifically customized for the business purpose. To do so in order to minimize the interference of the other modules of this module, but also to avoid interference with other modules. As shown in Figure 1.4, in the normal state of B is disconnected and A, C, to maintain the conduction state, once the circuit is out of control B immediately to laser short-circuit at the same time A and C open, semiconductor lasers and B disconnected from the circuit. Where B is the fastest response, A and C, the devices can. This module, including a large number of detectors, including semiconductor lasers within the detector to collect information, to improve the stability of the semiconductor laser modules, power amplifier module control signal. In this power in the slow-start circuit and semiconductor laser cooling devices and other equipment.china laser pointerhas gained enough popularity in European and American countries.
Can be resolved within a certain range near the power grid surge of high-power device switching, or other causes the semiconductor laser. The slow start circuit will play a protection role in the whole system, so that will not shorten the working life of each component in the frequent switching. The power supply provides a semiconductor laser with a cooling outlet, while reducing the possibility of life due to overheating and to reduce the laser, on the other hand the "drift" effect of the semiconductor laser can be controlled in a smaller range. green laser pointer also serves as a tool to point at the star.
Designed semiconductor laser power due to the signal generator output is square wave, ie, the output signal output to the next level as the next level of circuit switching signal, and therefore this system is relatively simple power amplifier module is a power transistor. Is the switching signal from the signal generator output signal switching signal driving power transistor to switch between on and off the two states. Circuit design to ensure long-term stability of laser work, the purpose is to design slow-start circuit to prevent the surge impact. We design a slow start circuit diagram shown in Figure 1.2. Slow shutdown circuit is similar to the slow start circuit. china laser pointer has different types as per applications.
Cooling of the semiconductor laser device. The heat generated when the semiconductor laser output laser semiconductor lasers and semiconductor-driven device, and therefore we must give additional heat and cooling devices. The basic principle of the circuit in Figure 1.3 is a thermistor to measure shell temperature of the semiconductor laser. Voltage signal and the temperature setting of the voltage signal measured for comparison. If the shell temperature of the semiconductor laser is higher than the set temperature, the current through the Peltier device, the laser cooling. A1 is the LM368, 2SK40S (here with the heat sink). Laser protection module. This module in addition to the power supply module and the semiconductor laser is isolated from other modules. china laser pointer is specifically customized for the business purpose. To do so in order to minimize the interference of the other modules of this module, but also to avoid interference with other modules. As shown in Figure 1.4, in the normal state of B is disconnected and A, C, to maintain the conduction state, once the circuit is out of control B immediately to laser short-circuit at the same time A and C open, semiconductor lasers and B disconnected from the circuit. Where B is the fastest response, A and C, the devices can. This module, including a large number of detectors, including semiconductor lasers within the detector to collect information, to improve the stability of the semiconductor laser modules, power amplifier module control signal. In this power in the slow-start circuit and semiconductor laser cooling devices and other equipment.china laser pointerhas gained enough popularity in European and American countries.
Can be resolved within a certain range near the power grid surge of high-power device switching, or other causes the semiconductor laser. The slow start circuit will play a protection role in the whole system, so that will not shorten the working life of each component in the frequent switching. The power supply provides a semiconductor laser with a cooling outlet, while reducing the possibility of life due to overheating and to reduce the laser, on the other hand the "drift" effect of the semiconductor laser can be controlled in a smaller range. green laser pointer also serves as a tool to point at the star.
The design of green laser pointer should be as advanced as possible
High power semiconductor laser technology. At home and abroad in recent years in the high-power semiconductor lasers have made great progress. Research and application of high power semiconductor laser array to become the biggest bright spot, such as optical and electrical properties of ultra-high photoelectric conversion efficiency of high brightness and high reliability are achieved a great breakthrough. For domestic and foreign high-power semiconductor laser research and key technologies, a summary description is given in the application aspects of high power semiconductor laser power supply designs, cavity surface treatment methods and devices. Keywords: high-power semiconductor lasers; modular; power; catastrophic optical mirror damage; reliability. The parameter of china laser pointer is perfect.
With the semiconductor laser technology matures and applications continues to expand, the scope of application of high power semiconductor laser has covered many areas of optoelectronics, and become the core technology of the photoelectron practical devices. Has the advantages of small size, light weight, long life, high-power semiconductor lasers are widely used in civilian production and military fields. In recent years, the progress of foreign high-power semiconductor lasers is very rapid, single maximum continuous output power greater than 600 W, the highest electro-optical conversion efficiency of up to 72%, a single 40-120 the W has been commercialized. In contrast, the domestic high-power semiconductor lasers and applications, though started late, but also made great progress. The output power can be used to classify china laser pointer.
This article from the application aspects of high power semiconductor laser power supply designs, cavity surface treatment methods and devices introduced a number of related studies of the high-power semiconductor lasers. High power semiconductor laser technology research. High power semiconductor laser power. Semiconductor laser diode pumped solid state lasers is the main direction of development of the new century, its small size, light weight, high efficiency, stable performance, good reliability, long life, is currently the fastest growing very ideal pump source . However, due to the laser diode driver designed to be unreasonable, leading to the lasers in use in the current breakdown events occur frequently, causing delays and economic losses. The good appearance of china laser pointer make it fashionable and beautiful.
In semiconductor lasers increasingly broad range of applications, while conductor laser driver power demand is also growing about its performance, technology, and reliability requirements have become more sophisticated. The performance of the drive power supply bad or improper protective measures, it is easy to damage the laser. Protection measures in the power of semiconductor lasers, more complex, from the design of the power supply circuit is not easy to promote. Abroad, some of the indicators of a higher power protection technology, but its higher cost performance. As the price of high-power semiconductor lasers is generally higher, and thus how to protect the laser diode, to extend the life of a semiconductor laser is important for the development of high-power laser diode driver. The design of green laser pointer should be as advanced as possible.
Semiconductor laser power. This module is to give each of the other modules to provide the appropriate DC or AC input basic circuit diagram shown in Figure 1.1. Input is 220V AC, output multiple sets of low voltage AC 20V DC, the power of the entire transformer is less than 20W, such design is because the semiconductor laser power is only about 1W, other modules, especially the signal modules, and monitoring the feedback module. some rather power-consuming components. The four-diode rectifier bridge to convert low voltage AC into low voltage DC pulse of, and then through a capacitor filter, after the 78 series of three terminal regulator can be the ideal low-voltage positive DC. The remote control function ofchina laser pointer is one of the most remarkable characteristics.
With the semiconductor laser technology matures and applications continues to expand, the scope of application of high power semiconductor laser has covered many areas of optoelectronics, and become the core technology of the photoelectron practical devices. Has the advantages of small size, light weight, long life, high-power semiconductor lasers are widely used in civilian production and military fields. In recent years, the progress of foreign high-power semiconductor lasers is very rapid, single maximum continuous output power greater than 600 W, the highest electro-optical conversion efficiency of up to 72%, a single 40-120 the W has been commercialized. In contrast, the domestic high-power semiconductor lasers and applications, though started late, but also made great progress. The output power can be used to classify china laser pointer.
This article from the application aspects of high power semiconductor laser power supply designs, cavity surface treatment methods and devices introduced a number of related studies of the high-power semiconductor lasers. High power semiconductor laser technology research. High power semiconductor laser power. Semiconductor laser diode pumped solid state lasers is the main direction of development of the new century, its small size, light weight, high efficiency, stable performance, good reliability, long life, is currently the fastest growing very ideal pump source . However, due to the laser diode driver designed to be unreasonable, leading to the lasers in use in the current breakdown events occur frequently, causing delays and economic losses. The good appearance of china laser pointer make it fashionable and beautiful.
In semiconductor lasers increasingly broad range of applications, while conductor laser driver power demand is also growing about its performance, technology, and reliability requirements have become more sophisticated. The performance of the drive power supply bad or improper protective measures, it is easy to damage the laser. Protection measures in the power of semiconductor lasers, more complex, from the design of the power supply circuit is not easy to promote. Abroad, some of the indicators of a higher power protection technology, but its higher cost performance. As the price of high-power semiconductor lasers is generally higher, and thus how to protect the laser diode, to extend the life of a semiconductor laser is important for the development of high-power laser diode driver. The design of green laser pointer should be as advanced as possible.
Semiconductor laser power. This module is to give each of the other modules to provide the appropriate DC or AC input basic circuit diagram shown in Figure 1.1. Input is 220V AC, output multiple sets of low voltage AC 20V DC, the power of the entire transformer is less than 20W, such design is because the semiconductor laser power is only about 1W, other modules, especially the signal modules, and monitoring the feedback module. some rather power-consuming components. The four-diode rectifier bridge to convert low voltage AC into low voltage DC pulse of, and then through a capacitor filter, after the 78 series of three terminal regulator can be the ideal low-voltage positive DC. The remote control function ofchina laser pointer is one of the most remarkable characteristics.
Monday, February 27, 2012
The wavelength ofchina laser pointercontains 605nm which emits red laser beam
Abstract: Aiming at the key technologies of the high peak power lasers are introduced and analyzed. For the energy of the low repetition rate high peak power solid state laser, unstable resonator technology, combined with the gain distribution of the condenser chamber intersects the circle of light tracing technique, you can get the energy of the high beam quality laser output; satisfied for narrow pulse width sec / sub-nanosecond laser output end of pump microchip or pulse LD side-pumped cavity-dumped technician a good choice; high peak power output of the ultrashort pulse laser, the stability of the seed output and regenerative amplifier which play a a crucial role. The wavelength ofchina laser pointercontains 605nm which emits red laser beam.
Rapid application and popularization of solid-state lasers in the field of laser processing, the vast majority of domestic applications but also limitations in 1.064um infrared band, the peak power level of less than 50KW. Most of the material in the short wavelengths shows strong absorption features [1], nonlinear frequency conversion technology to be quasi-continuous green light, ultraviolet lasers, laser marking, grooving, scribing, trimming and surface hardening show better performance. Focused spot size and wavelength is proportional to the short wavelength green and UV laser can be no doubt get a higher resolution [2]; shorter pulse width does not just mean in the laser process to produce smaller heat-affected, but the shorter, the pulse width. The wavelength ofchina laser pointercontains 635nm which emits light red laser beam.
In general, the higher the damage threshold of the material, the higher the harmonic conversion efficiency of the nonlinear crystal. High peak power laser compared with traditional laser pulse energy (tens of mJ, and even a few joules), short pulse width (from femtosecond, picosecond to the subnanosecond and nanosecond or so), higher peak power ( MW, and even the GW), the more difficult and other characteristics. These lasers in laser processing, the flow field shows that ocean exploration, optoelectronic countermeasures, laser medicine, atmospheric monitoring, laser communications, harmonic transform, X-ray lasers, free electron accelerators, inertial confinement fusion [3], ultrashort pulse-doped titanium sapphire tunable lasers and other areas of year-on-year has more advantages. The wavelength of the laser light ofchina laser pointercontains 473nm which emits pure blue laser beam.
This type of laser technology as foreign, such as the United States Coherent, Spectra Physics, Germany antics take, possession the Belarus Solar and other large companies, so can be considered: the level of development of high peak power laser frequency conversion technology, is directly related or restrict the level of domestic development of laser technology, and influence the development of laser applications in industry, in national economic development is of strategic significance. Because the laser pulse peak power and pulse energy is proportional to and inversely proportional to the pulse width, so in order to get a higher peak power, or to achieve higher energy output, or shorten the pulse width. Insight into this type of laser technology features and to achieve a further breakthrough of great significance. The wavelength of the laser light ofchina laser pointercontains 405nm and 445nm which emit blue violet laser beam.
Energy of the high beam quality laser the VRMs non-unstable resonator cavity design to achieve high energy beam quality laser output, conventional stable cavity design is obviously far from being able to meet the requirements. At this point, the laser crystal rods the size was relatively large, the cavity design of the traditional stability, it is difficult to achieve the fundamental mode radius is larger than 1mm of stable output; traditional unstable resonator, can increase the volume of the fundamental mode , and yet there are hard-edge diffraction and near-field ripple [4], with variable reflectivity output mirror (VRM) [5], combined with the repetition rate requirements, the choice of appropriate magnification can generally achieve high beam quality laser output . VRM unstable resonator optical path shown in Figure 1. The wavelength of green laser pointer contains 589nm which emits yellow laser beam.
Rapid application and popularization of solid-state lasers in the field of laser processing, the vast majority of domestic applications but also limitations in 1.064um infrared band, the peak power level of less than 50KW. Most of the material in the short wavelengths shows strong absorption features [1], nonlinear frequency conversion technology to be quasi-continuous green light, ultraviolet lasers, laser marking, grooving, scribing, trimming and surface hardening show better performance. Focused spot size and wavelength is proportional to the short wavelength green and UV laser can be no doubt get a higher resolution [2]; shorter pulse width does not just mean in the laser process to produce smaller heat-affected, but the shorter, the pulse width. The wavelength ofchina laser pointercontains 635nm which emits light red laser beam.
In general, the higher the damage threshold of the material, the higher the harmonic conversion efficiency of the nonlinear crystal. High peak power laser compared with traditional laser pulse energy (tens of mJ, and even a few joules), short pulse width (from femtosecond, picosecond to the subnanosecond and nanosecond or so), higher peak power ( MW, and even the GW), the more difficult and other characteristics. These lasers in laser processing, the flow field shows that ocean exploration, optoelectronic countermeasures, laser medicine, atmospheric monitoring, laser communications, harmonic transform, X-ray lasers, free electron accelerators, inertial confinement fusion [3], ultrashort pulse-doped titanium sapphire tunable lasers and other areas of year-on-year has more advantages. The wavelength of the laser light ofchina laser pointercontains 473nm which emits pure blue laser beam.
This type of laser technology as foreign, such as the United States Coherent, Spectra Physics, Germany antics take, possession the Belarus Solar and other large companies, so can be considered: the level of development of high peak power laser frequency conversion technology, is directly related or restrict the level of domestic development of laser technology, and influence the development of laser applications in industry, in national economic development is of strategic significance. Because the laser pulse peak power and pulse energy is proportional to and inversely proportional to the pulse width, so in order to get a higher peak power, or to achieve higher energy output, or shorten the pulse width. Insight into this type of laser technology features and to achieve a further breakthrough of great significance. The wavelength of the laser light ofchina laser pointercontains 405nm and 445nm which emit blue violet laser beam.
Energy of the high beam quality laser the VRMs non-unstable resonator cavity design to achieve high energy beam quality laser output, conventional stable cavity design is obviously far from being able to meet the requirements. At this point, the laser crystal rods the size was relatively large, the cavity design of the traditional stability, it is difficult to achieve the fundamental mode radius is larger than 1mm of stable output; traditional unstable resonator, can increase the volume of the fundamental mode , and yet there are hard-edge diffraction and near-field ripple [4], with variable reflectivity output mirror (VRM) [5], combined with the repetition rate requirements, the choice of appropriate magnification can generally achieve high beam quality laser output . VRM unstable resonator optical path shown in Figure 1. The wavelength of green laser pointer contains 589nm which emits yellow laser beam.
The production cost ofchina laser pointerwill be higher
Moreover, since the mobile phone in the network connection status may be hacked into and control. With the increasingly high penetration of smart phones will be like a PC experience security threats. Although the smart phone still can not be considered universal, the attacks against it are rare, but the cell phone virus has existed for a long time, Mobile phone attacks have wireless operator's network event has occurred. The future, the popularity of smart phones is bound to attract the attention of more hackers. With the development of functions, such as landing mail, bank accounts and other applications that need to enter the account password on the smart phone will be more and more, if the phone was hacked into, the user's information, as well as property security will be threatened. Technology ofchina laser pointeris more advanced and complicated.
Moreover, since the phone more and more capacity, the user may be stored on the phone for more information on the event of an attack causing the system to a standstill, these data may be lost. Accompanied by the rapid rise of the smart phone industry, many electronics manufacturers to join the smartphone industry, resulting in increased competition. Is the increased competition, leading to unhealthy competition within the industry, resulting in some smart phone manufacturers a means to defraud consumers, deliberately raised the price of high-end smart phones, and to reap huge profits from. Solution to the problem. Continue to develop high-frequency, high-ROM smartphone processor to enhance the phone's hardware configuration, to improve the speed of the phone. Once the technology is more advanced and complicated, the production process ofchina laser pointerwill be hard.
Smartphone hardware configuration to improve more mobile security software can be installed to ensure normal cell phone applications, and enhance the safety of mobile phones. To increase mobile phone firewall, mobile anti-virus software development, to encourage the development of small and medium-sized mobile phone software studio, expand the size of the software development industry in mobile phone protection. Mobile phone anti-virus software is the same as the computer anti-virus software is necessary to ensure the protection of mobile phone information and system security, in a secure operating environment, the smart phone industry in order to have good health and development. Enhance consumers' understanding of the smart phone industry, to improve people's mobile phone security awareness. Consumers often do not fully understand the function of the smart phone, which led to the hidden dangers of cell phone safety. The production cost ofchina laser pointerwill be higher.
In addition, because people lack the knowledge of the use of mobile phones has also led to the smart phone failure rates remain high, therefore, improve the awareness of consumers smartphone is imminent. Development of sound industry standards, and strengthen government regulation on the mobile phone industry. Smartphone hardware price transparency, smart phone manufacturing technology lies in the hands of a small number of people and companies, the cost price of smart phones are often not known to outsiders. The smart phone has always adopted industry standard is the ordinary mobile phone industry standards. It is as such, must develop and improve industry standards of the smart phone industry, correctly guide the healthy development of the smart phone industry. china laser pointer which adopts the laser module of higher cost and more complicated technology will be more expensive.
Satellite network, using mobile phones to receive the satellite broadcast television signals is a very novel idea. At present, only South Korea in pushing this mobile TV broadcast (DMB). According to SK, DMB receiver to provide high-quality images, the use of the receiver module enables users to receive both terrestrial wireless TV broadcasting and satellite television broadcasting signal. The appropriate standard of South Korea and Japan have been identified, this module will soon be launched in two places. The rest of the world will be lagging behind. Responsible for the production of such mobile terminals, Samsung said that the DMB module will allow mobile phone price increase of 20-30 U.S. dollars. Samsung expects the DMB phone and TV service will launch in the third quarter of this year. The wavelength of the laser light of green laser pointercontains 532nm which emits green laser beam.
Moreover, since the phone more and more capacity, the user may be stored on the phone for more information on the event of an attack causing the system to a standstill, these data may be lost. Accompanied by the rapid rise of the smart phone industry, many electronics manufacturers to join the smartphone industry, resulting in increased competition. Is the increased competition, leading to unhealthy competition within the industry, resulting in some smart phone manufacturers a means to defraud consumers, deliberately raised the price of high-end smart phones, and to reap huge profits from. Solution to the problem. Continue to develop high-frequency, high-ROM smartphone processor to enhance the phone's hardware configuration, to improve the speed of the phone. Once the technology is more advanced and complicated, the production process ofchina laser pointerwill be hard.
Smartphone hardware configuration to improve more mobile security software can be installed to ensure normal cell phone applications, and enhance the safety of mobile phones. To increase mobile phone firewall, mobile anti-virus software development, to encourage the development of small and medium-sized mobile phone software studio, expand the size of the software development industry in mobile phone protection. Mobile phone anti-virus software is the same as the computer anti-virus software is necessary to ensure the protection of mobile phone information and system security, in a secure operating environment, the smart phone industry in order to have good health and development. Enhance consumers' understanding of the smart phone industry, to improve people's mobile phone security awareness. Consumers often do not fully understand the function of the smart phone, which led to the hidden dangers of cell phone safety. The production cost ofchina laser pointerwill be higher.
In addition, because people lack the knowledge of the use of mobile phones has also led to the smart phone failure rates remain high, therefore, improve the awareness of consumers smartphone is imminent. Development of sound industry standards, and strengthen government regulation on the mobile phone industry. Smartphone hardware price transparency, smart phone manufacturing technology lies in the hands of a small number of people and companies, the cost price of smart phones are often not known to outsiders. The smart phone has always adopted industry standard is the ordinary mobile phone industry standards. It is as such, must develop and improve industry standards of the smart phone industry, correctly guide the healthy development of the smart phone industry. china laser pointer which adopts the laser module of higher cost and more complicated technology will be more expensive.
Satellite network, using mobile phones to receive the satellite broadcast television signals is a very novel idea. At present, only South Korea in pushing this mobile TV broadcast (DMB). According to SK, DMB receiver to provide high-quality images, the use of the receiver module enables users to receive both terrestrial wireless TV broadcasting and satellite television broadcasting signal. The appropriate standard of South Korea and Japan have been identified, this module will soon be launched in two places. The rest of the world will be lagging behind. Responsible for the production of such mobile terminals, Samsung said that the DMB module will allow mobile phone price increase of 20-30 U.S. dollars. Samsung expects the DMB phone and TV service will launch in the third quarter of this year. The wavelength of the laser light of green laser pointercontains 532nm which emits green laser beam.
Some modules of green laser pointer are difficult to be processed
Most companies begin with the Java type of software in the development of new software as a transition, part of the company even developed the Java type of software. The fourth quarter of 2009, the smart phone market shipments rose 41 percent. 55% of smart phones with touch screen, touch screen smartphone shipments to 30 million, an increase of 138%. 2009 as a whole, the touch screen smart phone shipments to 75 million, equivalent to 2008 out of more than 2 times the volume. 2009 the overall smart phone shipments of 166 million. Throughout 2009, Apple's iPhone leading the touch screen smart phone market, Nokia ranked second, HTC and Samsung separated three or four. china laser pointercan be classified by the module.
It is worth mentioning is that Nokia's first touch-screen 5800XM (S60 5th Edition) in the domestic market in February 2009. (Research firm Canalys data). The smart phone trends. With the continuous development of electronic technology, digital products and getting close to people's lives. In the network of globalization today, the phone has become a personal "supercomputer." The future development of smart phones will have the following trends: the communication function is still the basis, but added more Internet elements, including video calls, MMS, web, QQ, and so on. The smart phone industry will be two major trends: the general functions and professional intelligent. Upcoming special-purpose mobile phone for professionals such as medical. The output power can be used to classifychina laser pointer.
At the same time, the boundaries between commercial mobile phones and personal cell phone is gradually fading. The smart phones will be more intelligent, virtualization and user-friendly. GPS functionality will become increasingly common, and mobile payment will also be commonplace. In order to open source smart phone vendors and operators have announced their open source strategy or product. Google launched the Android open source mobile platform plans, Saipan also announced the open source, Apple said it would not deliberately contain third-party software. The mobile phone platform will gradually be compatible. Now a lot of phones based on different platforms running a variety of operating system is different, but the future of mobile phones will be gradually generic platform that increased competition is likely to promote to give birth to a communications operator to coordinate a variety of manufacturers to develop a generic version and the like, or What is more, the communication operators to develop their own platform mode. china laser pointer has different types as per applications.
Of course, each platform can not be absolutely compatible, there must be factors of disharmony. Gradually replace some of the functions of the computer more closely connected with the computer, the two complement each other, inseparable. Face more security threats. Personal privacy, a crisis of confidence, and property safety, radioactive contamination will cause more attention. With the infighting between the growing competition in the mobile phone manufacturers, operators become more pronounced. Saipan system will continue to be the mainstream operating system in Nokia. Rumors of Nokia offensive WM system is constantly in the second half of 2009, the iPhone with China Mobile fell through, Meizu phone mixed independent research and development of the local manufacturers. Some modules of china laser pointer are easy to be manufactured.
Various matters, and even some consumers in a dilemma, but the winner still yet to wait and see. Can be confident that the Nokia yet will not give up Saipan, touch-screen smart machine will be the main trends of intelligent machines - 2009 55% of the intelligent machine is a touch screen, and Nokia have just started on the touch screen smart machine. At least the next two years, Symbian will continue to dominate the consumer market. The smart phone development. With the development of smart phones, mobile phone industry competition intensifies, the smart phone products and within the industry a lot of problems. As a result of the open operating system, smart phone like a PC to install third-party software, which allows it to have the possibility of virus attacks. Some modules of green laser pointer are difficult to be processed.
It is worth mentioning is that Nokia's first touch-screen 5800XM (S60 5th Edition) in the domestic market in February 2009. (Research firm Canalys data). The smart phone trends. With the continuous development of electronic technology, digital products and getting close to people's lives. In the network of globalization today, the phone has become a personal "supercomputer." The future development of smart phones will have the following trends: the communication function is still the basis, but added more Internet elements, including video calls, MMS, web, QQ, and so on. The smart phone industry will be two major trends: the general functions and professional intelligent. Upcoming special-purpose mobile phone for professionals such as medical. The output power can be used to classifychina laser pointer.
At the same time, the boundaries between commercial mobile phones and personal cell phone is gradually fading. The smart phones will be more intelligent, virtualization and user-friendly. GPS functionality will become increasingly common, and mobile payment will also be commonplace. In order to open source smart phone vendors and operators have announced their open source strategy or product. Google launched the Android open source mobile platform plans, Saipan also announced the open source, Apple said it would not deliberately contain third-party software. The mobile phone platform will gradually be compatible. Now a lot of phones based on different platforms running a variety of operating system is different, but the future of mobile phones will be gradually generic platform that increased competition is likely to promote to give birth to a communications operator to coordinate a variety of manufacturers to develop a generic version and the like, or What is more, the communication operators to develop their own platform mode. china laser pointer has different types as per applications.
Of course, each platform can not be absolutely compatible, there must be factors of disharmony. Gradually replace some of the functions of the computer more closely connected with the computer, the two complement each other, inseparable. Face more security threats. Personal privacy, a crisis of confidence, and property safety, radioactive contamination will cause more attention. With the infighting between the growing competition in the mobile phone manufacturers, operators become more pronounced. Saipan system will continue to be the mainstream operating system in Nokia. Rumors of Nokia offensive WM system is constantly in the second half of 2009, the iPhone with China Mobile fell through, Meizu phone mixed independent research and development of the local manufacturers. Some modules of china laser pointer are easy to be manufactured.
Various matters, and even some consumers in a dilemma, but the winner still yet to wait and see. Can be confident that the Nokia yet will not give up Saipan, touch-screen smart machine will be the main trends of intelligent machines - 2009 55% of the intelligent machine is a touch screen, and Nokia have just started on the touch screen smart machine. At least the next two years, Symbian will continue to dominate the consumer market. The smart phone development. With the development of smart phones, mobile phone industry competition intensifies, the smart phone products and within the industry a lot of problems. As a result of the open operating system, smart phone like a PC to install third-party software, which allows it to have the possibility of virus attacks. Some modules of green laser pointer are difficult to be processed.
The customer wanna a specific pattern style of china laser pointer
The emergence of a revolution in the treatment of the history of port wine stains, because the method of treatment of the history of port wine stains, radiation, freezing, electrocautery, surgical scar of the incidence rate, and often depigmentation or hyperpigmentation. Laser treatment of vascular skin diseases is the selective absorption of oxygenated hemoglobin in a certain wavelength of laser, which led to a high degree of destruction of the vascular tissue with a high degree of accuracy and security, will not affect the surrounding adjacent tissue. Therefore, the laser treatment of telangiectasia is a significant effect. In addition, because the variable pulsed laser have been brought forth, are not satisfied with tattoo removal, as well as various types of pigmented skin lesions such as nevus of Ota, the treatment of senile plaques is a major breakthrough. china laser pointer is applicable in many different locations for the handy and practical use.
Type of laser selective photothermolysis effect theory (ie, different wavelengths of laser selectively act on different colors of skin damage), using its powerful instant power, a high concentration of radiation energy and pigment selectivity, a very short pulse width, laser energy to focus on the role of pigment granules directly vaporized, crushed, removed from the body through the lymphatic tissue, without affecting the surrounding normal tissue, and its efficacy, safety and reliability, no scar, less pain and enjoys popular support. Laser surgery has pioneered a new era of cosmetic medicine. The high-energy ultra-pulsed CO2 laser resurfacing resurfacing to develop the new technology of cosmetic surgery. It uses high-energy, a very short pulse laser, aging, damaged skin tissue instantly vaporized without harming the surrounding tissue. This kind of 5 in 1 green laser pointer equips with 5 different caps.
Almost no bleeding during the treatment, can be precise control of depth. Its effect has been fully affirmed the international medical cosmetic industry, known as "creating a new era of medical cosmetic"; In addition, more high-energy ultra-pulse CO2 laser treatment of bags under the eyes, snoring, even laser whitening teeth, with its safe and accurate efficacy simple and efficient treatment in the medical field has created one miracle after another. Laser cosmetic making cosmetic medicine a big step forward, and give medical cosmetic update of the connotation. Laser removal of facial moles. Laser mole principle is to put the tremendous energy of the laser in an instant burst of pigment organization, pigment broken and decomposed, so that it can be macrophages annexation out, and then with the lymphatic circulatory system excreted so as to achieve the purpose to remove the pigment. The five different laser caps can create 5 types of laser picture patterns like the photo shows.
Laser for many types of moles can be applied to moles, such as the above-mentioned three kinds of nevi, nevus of ota, port wine stains, the effect was evident, and not easy to scars, the risk is small. With carbon dioxide laser to also go to the mole. Laser treatment of myopia prompt under the circumstances were not suitable for laser treatment: Eye of active inflammation and lesions; second eye suppurative lesions; the third had been diagnosed keratoconus; fourth. Severe dry eye associated with systemic Sjogren's syndrome; central corneal thickness less than 450μm; serious ocular adnexal lesions: eyelid defect, deformation, chronic dacryocystitis, etc.; seventh. systemic connective tissue disease and severe autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis, multiple sclerosis. The customer wanna a specific pattern style of china laser pointer.
Super high myopia with posterior staphyloma persons; the initial pre-operative average central corneal curvature is less than 39D or higher than the 47D should be careful; 3. Dark light, the pupil diameter greater than 7mm; 4. Contralateral eye for statutory blindness; 5.2 years suffered from a simple herpetic keratitis; mild cataracts; retinal detachment and macular hemorrhage history; mild dry eye; 9. mild blepharophimosis dysraphism; 10 suspected glaucoma patients ; menstrual period and pregnancy; 12. physical scars; diabetes; 14. a fever and other discomfort; 15. epilepsy; 16. anxiety disorders, depression, and to expect too much from the surgery. The customer can change the corresponding laser cap of china laser pointer.
Type of laser selective photothermolysis effect theory (ie, different wavelengths of laser selectively act on different colors of skin damage), using its powerful instant power, a high concentration of radiation energy and pigment selectivity, a very short pulse width, laser energy to focus on the role of pigment granules directly vaporized, crushed, removed from the body through the lymphatic tissue, without affecting the surrounding normal tissue, and its efficacy, safety and reliability, no scar, less pain and enjoys popular support. Laser surgery has pioneered a new era of cosmetic medicine. The high-energy ultra-pulsed CO2 laser resurfacing resurfacing to develop the new technology of cosmetic surgery. It uses high-energy, a very short pulse laser, aging, damaged skin tissue instantly vaporized without harming the surrounding tissue. This kind of 5 in 1 green laser pointer equips with 5 different caps.
Almost no bleeding during the treatment, can be precise control of depth. Its effect has been fully affirmed the international medical cosmetic industry, known as "creating a new era of medical cosmetic"; In addition, more high-energy ultra-pulse CO2 laser treatment of bags under the eyes, snoring, even laser whitening teeth, with its safe and accurate efficacy simple and efficient treatment in the medical field has created one miracle after another. Laser cosmetic making cosmetic medicine a big step forward, and give medical cosmetic update of the connotation. Laser removal of facial moles. Laser mole principle is to put the tremendous energy of the laser in an instant burst of pigment organization, pigment broken and decomposed, so that it can be macrophages annexation out, and then with the lymphatic circulatory system excreted so as to achieve the purpose to remove the pigment. The five different laser caps can create 5 types of laser picture patterns like the photo shows.
Laser for many types of moles can be applied to moles, such as the above-mentioned three kinds of nevi, nevus of ota, port wine stains, the effect was evident, and not easy to scars, the risk is small. With carbon dioxide laser to also go to the mole. Laser treatment of myopia prompt under the circumstances were not suitable for laser treatment: Eye of active inflammation and lesions; second eye suppurative lesions; the third had been diagnosed keratoconus; fourth. Severe dry eye associated with systemic Sjogren's syndrome; central corneal thickness less than 450μm; serious ocular adnexal lesions: eyelid defect, deformation, chronic dacryocystitis, etc.; seventh. systemic connective tissue disease and severe autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis, multiple sclerosis. The customer wanna a specific pattern style of china laser pointer.
Super high myopia with posterior staphyloma persons; the initial pre-operative average central corneal curvature is less than 39D or higher than the 47D should be careful; 3. Dark light, the pupil diameter greater than 7mm; 4. Contralateral eye for statutory blindness; 5.2 years suffered from a simple herpetic keratitis; mild cataracts; retinal detachment and macular hemorrhage history; mild dry eye; 9. mild blepharophimosis dysraphism; 10 suspected glaucoma patients ; menstrual period and pregnancy; 12. physical scars; diabetes; 14. a fever and other discomfort; 15. epilepsy; 16. anxiety disorders, depression, and to expect too much from the surgery. The customer can change the corresponding laser cap of china laser pointer.
Sunday, February 26, 2012
This kind of 5 in 1 green laser pointer is very powerful
Laser imaging: the object is scanned using a laser beam, the reflected beam reflected back, get a different order of arrangement of imaging. To reflect the image gap between the image formed. Laser imaging with over-the-horizon detection capability can be used for satellite laser scanning imaging, used in the field of remote sensing mapping technology in the future. The application of laser in medicine is mainly divided into three categories: laser life sciences, laser diagnostics, laser treatment, laser treatment is divided into: laser surgery, weak laser bio-stimulation of non-surgical treatments and laser photodynamic therapy. china laser pointer can be used in different locations practically and efficiently.
Applied to the dental laser system is based on the different roles of laser dental applications, divided into several different laser systems. One of the important features of the difference between the laser are: wavelength of light, different wavelengths of laser different from the role of the organization, the light in the visible and near infrared spectral range, absorption is low, penetrating strong, can penetrate into the tooth structure more The depth of the site, such as argon ion laser, diode laser or Nd: YAG laser (Figure 1). Er: YAG laser and CO laser light penetrating only penetrate about 0.01 mm of tooth structure. An important feature of the difference between laser: the laser intensity (power), such as diode laser applications in diagnostics, and its strength is only a few milliwatts, which is sometimes available in the excited laser applications. Many customers speak highly of this type of china laser pointer.
Laser for the treatment, usually a few watts of moderate-intensity laser. The role of the laser on the organization also depends on the laser pulse is fired, a typical continuous pulse emission mode laser: argon ion laser, diode laser, CO2, laser; launch short pulse lasers: Er: YAG laser or many of Nd: YAG laser, short pulse laser intensity (power) can be up to 1,000 watts or more of these high intensity, the absorbance of the laser is only applicable to clear the hard tissue. Laser beauty. More extensive use of laser in the beauty industry. The laser is to produce high-energy, accurate focusing, monochromatic light with a certain penetration role in the local high heat to achieve the removal or destruction of target tissue in human tissues. The output power ofchina laser pointeris 50mW or so.
Various wavelength pulse laser to treat a variety of vascular skin and pigment calm, such as Ota, port wine stains, freckles, age spots, telangiectasia, and to tattoo, wash lines, wash eyebrow treatment of scar; In recent years, some new laser, high-energy ultra-pulsed CO2 laser, Erbium laser wrinkles, microdermabrasion peels, treatment of snoring, teeth whitening, achieved good results for laser surgery to open up wider and wider areas . Laser surgery has incomparable superiority of the traditional surgery. The first laser surgery does not require hospitalization, small incision, intraoperative bleeding, mild trauma, no scar. For example: the treatment of the traditional surgical method of the bags under the eyes there is a wide range of peel, bleeding, postoperative healing slow, easy to form a scar and disadvantages. china laser pointer emits the green laser beam light.
The application of ultra-high-energy pulsed CO2 laser treatment of bags under the eyes, while intraoperative bleeding, without suture, without affecting the normal work, mild edema of the surgical site, fast, no scar and so on recovery, so that the traditional surgery can not be compared. Endoscopic surgery, the bleeding can not be completed can be cut by the laser instead. (Note: There is a certain range of adaptation). Efficient and effective delivery of laser treatment of vascular skin pigmentation. Using the pulsed dye laser treatment of port wine stains, a significant effect on the surrounding tissue damage, and almost off the scar. This kind of 5 in 1 green laser pointer is very powerful.
Applied to the dental laser system is based on the different roles of laser dental applications, divided into several different laser systems. One of the important features of the difference between the laser are: wavelength of light, different wavelengths of laser different from the role of the organization, the light in the visible and near infrared spectral range, absorption is low, penetrating strong, can penetrate into the tooth structure more The depth of the site, such as argon ion laser, diode laser or Nd: YAG laser (Figure 1). Er: YAG laser and CO laser light penetrating only penetrate about 0.01 mm of tooth structure. An important feature of the difference between laser: the laser intensity (power), such as diode laser applications in diagnostics, and its strength is only a few milliwatts, which is sometimes available in the excited laser applications. Many customers speak highly of this type of china laser pointer.
Laser for the treatment, usually a few watts of moderate-intensity laser. The role of the laser on the organization also depends on the laser pulse is fired, a typical continuous pulse emission mode laser: argon ion laser, diode laser, CO2, laser; launch short pulse lasers: Er: YAG laser or many of Nd: YAG laser, short pulse laser intensity (power) can be up to 1,000 watts or more of these high intensity, the absorbance of the laser is only applicable to clear the hard tissue. Laser beauty. More extensive use of laser in the beauty industry. The laser is to produce high-energy, accurate focusing, monochromatic light with a certain penetration role in the local high heat to achieve the removal or destruction of target tissue in human tissues. The output power ofchina laser pointeris 50mW or so.
Various wavelength pulse laser to treat a variety of vascular skin and pigment calm, such as Ota, port wine stains, freckles, age spots, telangiectasia, and to tattoo, wash lines, wash eyebrow treatment of scar; In recent years, some new laser, high-energy ultra-pulsed CO2 laser, Erbium laser wrinkles, microdermabrasion peels, treatment of snoring, teeth whitening, achieved good results for laser surgery to open up wider and wider areas . Laser surgery has incomparable superiority of the traditional surgery. The first laser surgery does not require hospitalization, small incision, intraoperative bleeding, mild trauma, no scar. For example: the treatment of the traditional surgical method of the bags under the eyes there is a wide range of peel, bleeding, postoperative healing slow, easy to form a scar and disadvantages. china laser pointer emits the green laser beam light.
The application of ultra-high-energy pulsed CO2 laser treatment of bags under the eyes, while intraoperative bleeding, without suture, without affecting the normal work, mild edema of the surgical site, fast, no scar and so on recovery, so that the traditional surgery can not be compared. Endoscopic surgery, the bleeding can not be completed can be cut by the laser instead. (Note: There is a certain range of adaptation). Efficient and effective delivery of laser treatment of vascular skin pigmentation. Using the pulsed dye laser treatment of port wine stains, a significant effect on the surrounding tissue damage, and almost off the scar. This kind of 5 in 1 green laser pointer is very powerful.
Green laser pointer has multiple functions
Band relaxation time is very short, approximately 100-200fs; interband relaxation time is relatively long, about a few picoseconds to hundreds of picoseconds. SESAM mode-locking process, the relaxation time between the belt provides a clamping mechanism will be activated, with a relaxation time of the effective compression pulse width to maintain the clamping stability. A technology of laser processing technology is the use of the characteristics of the laser beam interaction with matter for cutting materials (including metal and nonmetal), welding, surface treatment, drilling, micromachining, and as the light source, object recognition, etc., the traditional application The largest areas of laser processing technology. The laser technology is related to the discipline of the optical, mechanical, electrical, materials and testing an integrated technology. It is 5 in 1 green china laser pointer with star cap.
Traditionally, it generally can be divided into: laser processing system. Including lasers, optical systems, machine tools, control system and detection system. Laser Processing. Including cutting, welding, surface treatment, drilling, marking, scribing, miniature variety of processes. Laser welding: the thickness of automotive body panels, auto parts, lithium batteries, pacemakers, sealed relays and other sealing devices, as well as a variety is not allowed to weld contamination and deformation device. Currently used laser YAG lasers, CO2 lasers and diode-pumped lasers. Here will introduce the 5 in 1china laser pointer with star laser heads to our dear customers.
Laser cutting: the automotive industry, computers, electrical chassis, wood cutting die industry, a variety of metal parts and special materials, cutting, circular saw blades, acrylic, spring washer, 2mm below the electronic parts with copper, some metals stencil, steel, tin-plated iron, lead-plated Asian steel plate, phosphor bronze, bakelite, thin aluminum alloy, quartz glass, silicone rubber, 1mm below the alumina ceramics, aerospace industry, titanium alloy, and so on. The use of laser YAG lasers and CO2 lasers. Laser treatment: surgery surgery can be used to relieve pain and reduce infection. Laser Marking: widely used in a variety of materials, and almost all industries, the currently used laser YAG laser, CO2 laser and diode-pumped lasers. The name of china laser pointer is 5 in 1 green laser pointer with star cap.
Laser drilling: laser drilling applications in the aerospace, automobile manufacturing, electronic instrumentation, and chemical industries. The rapid development of laser drilling, mainly reflected YAG laser average output power in the punch has been five years ago, 400w to 800w to 1000w. The more mature application of laser drilling in the production of synthetic diamond production and natural diamond wire drawing dies, watches and clocks and instruments, jewel bearings, aircraft blades, multi-layer printed circuit board industry. Currently used laser multi-YAG laser, CO2 laser-based, there are some of the excimer laser isotope lasers and diode-pumped laser. This kind of china laser pointer is well received in the market.
Laser heat treatment: wide range of applications in the automotive industry, such as heat treatment of the cylinder liner, crankshaft, piston rings, commutator, gear parts, aerospace, machine tool industry and machinery industry also applied widely. Of laser heat treatment application is much broader than the foreign. Lasers used YAG laser, CO2 laser-based. Laser Rapid Prototyping: Laser processing technology and computer numerical control technology and flexible manufacturing technology combine to form. Used for the mold and model industry. Lasers used YAG laser, CO2 laser-based. The laser cladding: widely used in the aerospace, mold and electrical and mechanical industry. At present, the use of laser-based high-power YAG laser, CO2 laser. green laser pointer has multiple functions.
Traditionally, it generally can be divided into: laser processing system. Including lasers, optical systems, machine tools, control system and detection system. Laser Processing. Including cutting, welding, surface treatment, drilling, marking, scribing, miniature variety of processes. Laser welding: the thickness of automotive body panels, auto parts, lithium batteries, pacemakers, sealed relays and other sealing devices, as well as a variety is not allowed to weld contamination and deformation device. Currently used laser YAG lasers, CO2 lasers and diode-pumped lasers. Here will introduce the 5 in 1china laser pointer with star laser heads to our dear customers.
Laser cutting: the automotive industry, computers, electrical chassis, wood cutting die industry, a variety of metal parts and special materials, cutting, circular saw blades, acrylic, spring washer, 2mm below the electronic parts with copper, some metals stencil, steel, tin-plated iron, lead-plated Asian steel plate, phosphor bronze, bakelite, thin aluminum alloy, quartz glass, silicone rubber, 1mm below the alumina ceramics, aerospace industry, titanium alloy, and so on. The use of laser YAG lasers and CO2 lasers. Laser treatment: surgery surgery can be used to relieve pain and reduce infection. Laser Marking: widely used in a variety of materials, and almost all industries, the currently used laser YAG laser, CO2 laser and diode-pumped lasers. The name of china laser pointer is 5 in 1 green laser pointer with star cap.
Laser drilling: laser drilling applications in the aerospace, automobile manufacturing, electronic instrumentation, and chemical industries. The rapid development of laser drilling, mainly reflected YAG laser average output power in the punch has been five years ago, 400w to 800w to 1000w. The more mature application of laser drilling in the production of synthetic diamond production and natural diamond wire drawing dies, watches and clocks and instruments, jewel bearings, aircraft blades, multi-layer printed circuit board industry. Currently used laser multi-YAG laser, CO2 laser-based, there are some of the excimer laser isotope lasers and diode-pumped laser. This kind of china laser pointer is well received in the market.
Laser heat treatment: wide range of applications in the automotive industry, such as heat treatment of the cylinder liner, crankshaft, piston rings, commutator, gear parts, aerospace, machine tool industry and machinery industry also applied widely. Of laser heat treatment application is much broader than the foreign. Lasers used YAG laser, CO2 laser-based. Laser Rapid Prototyping: Laser processing technology and computer numerical control technology and flexible manufacturing technology combine to form. Used for the mold and model industry. Lasers used YAG laser, CO2 laser-based. The laser cladding: widely used in the aerospace, mold and electrical and mechanical industry. At present, the use of laser-based high-power YAG laser, CO2 laser. green laser pointer has multiple functions.
Friday, February 24, 2012
The appearance of green laser pointer is closely related to the development
KM1-high voltage main power contactor; KW2-vacuum pump motor contactor; in KM3-fan motor contactor; DL-low-pass filter; KB-control transformers; LD1-8-light; code LD9-12-fault indicator ; AN1-3-start control; of TN1-3-stop button. The above electrical components were installed in the laser power rack and operation of the lower part of the cabinet panel (where: HY installed in the lower part of the cabinet), as shown in Figure 1, Figure 2 shown. The figure shows only not dry (HY), phase (J0), but the flow (K1), and W given back to zero (K2), three-phase equilibrium (K3), but hot (FR1), the first open fan (in KM3, KM3 ') conditions are fulfilled, in order to start the high voltage main power. The yellow ray china laser pointer adopts some new technologies.
Power supply unit works. DC high voltage rectifier was DC high voltage E below shows adjustable high-voltage DC power systems TC control panel principle block diagram of the high-pressure silicon pile DZ boost transformer ZB. One: HL1,-3-Hall current transmitter; HL0-Hall current sensor; VC-thyristor smart module; PIT-current regulator; BH-unbalanced circuit; K1-3-protection relay; the W- command link; SA-main circuit. Instruction link W is given the command signal Vg, the regulator PIT operator to enlarge the output control the conduction angle α of the VC thyristor intelligent modules, adjustable AC voltage. In ZB boost, and then by DZ rectifier into a DC voltage sent to the anode and cathode of the laser CDL. This kind ofchina laser pointer has the strong visible feature.
Laser glow discharge has negative resistance characteristics, so the circuit in series with the pin row of resistance, in order to ensure the stability of the discharge. HL0 Hall current sensor, the output reflects the size of the injection laser current, the output current signal sampled feedback signal VF. VF and the command signal the Vg superimposed, the difference adjusted by the PIT operator to control the conduction angle α of the VC (increasing or decreasing), so that the injection laser current to maintain the stable, to ensure the stability of the discharge. Power supply unit to protect the link. In order to ensure the laser safe operation, the power supply unit uses multiple protection link. Overcurrent protection link. The DC side, from the HL. The blue violet ray china laser pointer will be mainly discussed during the meeting.
Sampling of the Hall sensor signal VF and set the overcurrent threshold voltage compared to more than a set voltage protection relay K1 action, cut off the high voltage power supply circuit to stop the discharge overcurrent light, such as VF. AC side input of the vacuum pumps, blowers, exhaust fan, the main transformer and thyristor intelligent modules are equipped with circuit breakers, and in strict accordance with the current size of the actual work, select the capacity of each circuit breaker, in the event of over-current phenomenon. the corresponding circuit breaker tripping. Overvoltage protection link. High-power lasers work in a high-voltage, low current conditions, over-voltage protection link is very significant. The AC side, for thyristor intelligent over-voltage protection module take RC varistor two, absorption and with the. The appearance of green laser pointer is closely related to the development of the materials.
Former to solve the role of over-voltage inhibit the thyristor on and off, the latter to solve the energy of lightning and other reasons, the longer the duration of the overvoltage absorption. In the DC side (pressure side), plus the RC snubber circuit. In addition, the the thyristor intelligent module input control side, with clamp control circuit to prevent a given Vg is too high causing high discharge voltage and discharge current is too large. Three-phase current unbalance protection link. In the process of three-phase AC voltage regulator, due to the unbalanced three-phase voltage, the thyristor phase modulation angle α small a value may be a DC component and a trigger pulse disappears, resulting in half-wave output can cause The three-phase current serious imbalance, which is very unsafe. If the relevant materials haven’t been exploited yet, there will be no chance for we to see some new types of china laser pointer.
Power supply unit works. DC high voltage rectifier was DC high voltage E below shows adjustable high-voltage DC power systems TC control panel principle block diagram of the high-pressure silicon pile DZ boost transformer ZB. One: HL1,-3-Hall current transmitter; HL0-Hall current sensor; VC-thyristor smart module; PIT-current regulator; BH-unbalanced circuit; K1-3-protection relay; the W- command link; SA-main circuit. Instruction link W is given the command signal Vg, the regulator PIT operator to enlarge the output control the conduction angle α of the VC thyristor intelligent modules, adjustable AC voltage. In ZB boost, and then by DZ rectifier into a DC voltage sent to the anode and cathode of the laser CDL. This kind ofchina laser pointer has the strong visible feature.
Laser glow discharge has negative resistance characteristics, so the circuit in series with the pin row of resistance, in order to ensure the stability of the discharge. HL0 Hall current sensor, the output reflects the size of the injection laser current, the output current signal sampled feedback signal VF. VF and the command signal the Vg superimposed, the difference adjusted by the PIT operator to control the conduction angle α of the VC (increasing or decreasing), so that the injection laser current to maintain the stable, to ensure the stability of the discharge. Power supply unit to protect the link. In order to ensure the laser safe operation, the power supply unit uses multiple protection link. Overcurrent protection link. The DC side, from the HL. The blue violet ray china laser pointer will be mainly discussed during the meeting.
Sampling of the Hall sensor signal VF and set the overcurrent threshold voltage compared to more than a set voltage protection relay K1 action, cut off the high voltage power supply circuit to stop the discharge overcurrent light, such as VF. AC side input of the vacuum pumps, blowers, exhaust fan, the main transformer and thyristor intelligent modules are equipped with circuit breakers, and in strict accordance with the current size of the actual work, select the capacity of each circuit breaker, in the event of over-current phenomenon. the corresponding circuit breaker tripping. Overvoltage protection link. High-power lasers work in a high-voltage, low current conditions, over-voltage protection link is very significant. The AC side, for thyristor intelligent over-voltage protection module take RC varistor two, absorption and with the. The appearance of green laser pointer is closely related to the development of the materials.
Former to solve the role of over-voltage inhibit the thyristor on and off, the latter to solve the energy of lightning and other reasons, the longer the duration of the overvoltage absorption. In the DC side (pressure side), plus the RC snubber circuit. In addition, the the thyristor intelligent module input control side, with clamp control circuit to prevent a given Vg is too high causing high discharge voltage and discharge current is too large. Three-phase current unbalance protection link. In the process of three-phase AC voltage regulator, due to the unbalanced three-phase voltage, the thyristor phase modulation angle α small a value may be a DC component and a trigger pulse disappears, resulting in half-wave output can cause The three-phase current serious imbalance, which is very unsafe. If the relevant materials haven’t been exploited yet, there will be no chance for we to see some new types of china laser pointer.
The blue ray china laser pointer is the key topic of today’s meeting
Beam directional, high energy density and accuracy of processing in the industrial, defense, scientific research has broad application prospects. GS-TFL-× × kW high power transverse flow CO2 laser series by the cabinet, cavity, the electrode power; in order to obtain a stable, continuous and efficient laser, which also must have air circulation, cooling (heat exchange) , charge and exhaust system. Were described as follows: Case: stainless steel, with good air tightness of the seal, built-in optical resonator systems, fan systems, heat exchangers, electrode systems, etc.. Cavity resonator system: a highly efficient and stable, by the totally reflecting mirror, the output mirror, regulatory agencies and the light bridge. Even the power of green ray china laser pointer is lower than that of red ray laser pointers.
Material made of silicon at the end totally reflecting mirror, optical grinding, plated to enhance the dielectric film curvature radius of 15 ~ 20m, the reflection rate of 99.5%; internal water-cooled; output mirror using GaAs as matrix material, inner and outer surfaces respectively degree increase in anti-film and the antireflection coating, the transmittance of about 30%, the output mirror is water-cooled; light bridge from the root out of the circular tube with the laser box (called a light bridge rod) and light concrete slab composed of for a fixed reflector and the output mirror, the cylindrical tube to be cooled by water. Gas circulation system: made of high-speed centrifugal fan connected with the guiding device. Cooling System: includes two water-cooled system, First, water at room temperature, used to cool the part of total reflection mirror and output mirror and the light bridge rod to prevent condensation of water. The user should be very careful when using china laser pointer of high power.
Another low-temperature water-cooled, low temperature water-cooled unit refrigeration compressors and pumps provided by the secondary circulation cooling, water cooling to 5 to 10 degrees, injected into the anode plate and heat exchanger, it flows through the heat exchanger cooling cycle gas. Charge and exhaust system: pipes and valves will be laser box with a vacuum pump and charge seven systems connected to switch each valve to control the charge and exhaust. Discharge system: electrodes including anode and cathode, anode, also known as the anode plate, a smooth surface without scars pure copper material. Cathode discharge needle, consisting of hundreds of root discharge needle, also called the cathode needle plate; DC high voltage current limiting resistor be added between the anode and cathode, the formation of a stable glow discharge. On the whole, the biggest distinguishes between these two types of green ray china laser pointer lie in their technology.
GS-TFL,-× × kW-type high-power cross-flow CO2 laser series power supply system from the main electrical circuit and TC control circuit composition, the schematic diagram, respectively, see the GS-TFL,-× × kW-type high power transverse flow CO2 laser series main circuit electrical principle diagram diagram and the principle of the GS-TFL-× × kW high power transverse flow CO2 laser series TC control panel. GS-TFL,-× × kW high power transverse flow CO2 laser series main circuit electrical schematic diagram consists of two parts: the upper part of the thyristor intelligent modules controlled DC high voltage power supply schematic circuit: the lower part of the auxiliary equipment drive and its control principle of the circuit. The color is one of the biggest different points of these two kinds of green laser pointer.
DC high voltage power supply circuit. The circuit includes: ZB-step-up transformer; VC-thyristor smart module; DZ-rectifier silicon stack;-CDL, laser electrode; C1 / / R1-resistance capacity absorption; R0; R3 - buck the current limiting resistor; R4,- 7 - ballast resistors; HL0-Hall current sensor; HL1,-3-Hall current transducer; PL1, in PL2-high-speed fuse. The drive control circuit of the auxiliary equipment. The role of the circuit is: starting and stopping control of the laser power and auxiliary equipment. Control elements are: K ~ K7, automatic air switch for isolation switch and short circuit protection; GT-emergency stop; YA-lock switch; J0-phase sequence protection relays (phase loss, phase sequence does not, the voltage is too high or too low, the frequency deviation from the control loop the 50HZ too much cut off); HY-hydraulic relay; of TR1-5-thermal relay. The blue ray china laser pointer is the key topic of today’s meeting.
Material made of silicon at the end totally reflecting mirror, optical grinding, plated to enhance the dielectric film curvature radius of 15 ~ 20m, the reflection rate of 99.5%; internal water-cooled; output mirror using GaAs as matrix material, inner and outer surfaces respectively degree increase in anti-film and the antireflection coating, the transmittance of about 30%, the output mirror is water-cooled; light bridge from the root out of the circular tube with the laser box (called a light bridge rod) and light concrete slab composed of for a fixed reflector and the output mirror, the cylindrical tube to be cooled by water. Gas circulation system: made of high-speed centrifugal fan connected with the guiding device. Cooling System: includes two water-cooled system, First, water at room temperature, used to cool the part of total reflection mirror and output mirror and the light bridge rod to prevent condensation of water. The user should be very careful when using china laser pointer of high power.
Another low-temperature water-cooled, low temperature water-cooled unit refrigeration compressors and pumps provided by the secondary circulation cooling, water cooling to 5 to 10 degrees, injected into the anode plate and heat exchanger, it flows through the heat exchanger cooling cycle gas. Charge and exhaust system: pipes and valves will be laser box with a vacuum pump and charge seven systems connected to switch each valve to control the charge and exhaust. Discharge system: electrodes including anode and cathode, anode, also known as the anode plate, a smooth surface without scars pure copper material. Cathode discharge needle, consisting of hundreds of root discharge needle, also called the cathode needle plate; DC high voltage current limiting resistor be added between the anode and cathode, the formation of a stable glow discharge. On the whole, the biggest distinguishes between these two types of green ray china laser pointer lie in their technology.
GS-TFL,-× × kW-type high-power cross-flow CO2 laser series power supply system from the main electrical circuit and TC control circuit composition, the schematic diagram, respectively, see the GS-TFL,-× × kW-type high power transverse flow CO2 laser series main circuit electrical principle diagram diagram and the principle of the GS-TFL-× × kW high power transverse flow CO2 laser series TC control panel. GS-TFL,-× × kW high power transverse flow CO2 laser series main circuit electrical schematic diagram consists of two parts: the upper part of the thyristor intelligent modules controlled DC high voltage power supply schematic circuit: the lower part of the auxiliary equipment drive and its control principle of the circuit. The color is one of the biggest different points of these two kinds of green laser pointer.
DC high voltage power supply circuit. The circuit includes: ZB-step-up transformer; VC-thyristor smart module; DZ-rectifier silicon stack;-CDL, laser electrode; C1 / / R1-resistance capacity absorption; R0; R3 - buck the current limiting resistor; R4,- 7 - ballast resistors; HL0-Hall current sensor; HL1,-3-Hall current transducer; PL1, in PL2-high-speed fuse. The drive control circuit of the auxiliary equipment. The role of the circuit is: starting and stopping control of the laser power and auxiliary equipment. Control elements are: K ~ K7, automatic air switch for isolation switch and short circuit protection; GT-emergency stop; YA-lock switch; J0-phase sequence protection relays (phase loss, phase sequence does not, the voltage is too high or too low, the frequency deviation from the control loop the 50HZ too much cut off); HY-hydraulic relay; of TR1-5-thermal relay. The blue ray china laser pointer is the key topic of today’s meeting.
Red ray china laser pointer has the full-blown technology
Series of high-frequency CO2 laser power is my company and the authority of the carbon dioxide laser manufacturing companies jointly developed the high efficiency, high frequency, high-speed carbon dioxide lasers supporting power, small size, light weight, easy to operate, and lasers have a good match performance can be directly and The laser is connected, eliminating the need for bulky, fever and severe ballast resistor. This power allows the starter easy carbon dioxide laser, the carbon dioxide laser performance into full play, and conversion efficiency, extend the life of the laser. The main technical parameters: Input voltage: AC 220V, AC110V (order when otherwise specified). The difference between red raychina laser pointer and yellow raychina laser pointer will be introduced
The laser output the starter voltage: DC 40KV (130W), DC 35KV (W) DC 30 (KV) DC 26KV (40W). Maximum output current: DC 38 mA that (130W), the DC 30mA (80W) DC 24mA (60W) DC 20mA (40W). Response speed: ≤ step of 1mS. TTL level control switch: an effective level can be high, low selection. Protection switch: the waterways can be used with or without detection, protection of the laser; or when you open the shell of protection. The laser power adjustment: (1) of the potentiometer to adjust the output current of the laser power. (2) by the PWM control (amplitude TTL level). Power itself can be with a feedback interface can be used for closed-loop control for the actual work of inspection and laser current. The child only can use the china laser pointer under the supervision of the parents.
Connection: laser tube laser power supply high voltage (HV +) and carbon dioxide laser tube anode (ATR-side) is connected. Current of the laser power supply circuit, connected to the cathode through an ammeter (or direct) and the carbon dioxide laser tube (laser output). Control signal connection: Figure 1 (or 2) to control the laser power of the signal lines, respectively, and reliable access control side. Control signal input: shown in Figure 3, the external computer output DAC signal and TTL signal input laser power required to control the laser tube laser output as required. Voltages: the laser power requirements input 220VAC/50Hz For 110VAC to special order. The difference between yellow raychina laser pointer and green raychina laser pointer has been described in details.
Additional features: laser power protection switch can be connected in series in water protection, open shell protection. Note: must be water cooled laser tube work. The high voltage output may not be open. (Positive and negative side of the high voltage output laser positive and negative terminals must be properly connected.) Power have joined within the discharge resistance, generally within two seconds after the power blackout will be residual pressure is done. However, for safety reasons, still should be noted that, Beware of electric shock (high voltage output must ensure that at both ends hanging to 40KV high-voltage insulated safety requirements.) Laser power must be three-hole outlet with a grounding terminal. The chassis must be strictly grounded. Avoid electric shock. Power power power lights, power standby. Red ray china laser pointer has the full-blown technology.
The power supply output voltage signal, the Laser lights, power work properly. The power detection: power standby mode, press the test switch, a laser light, the laser tube output laser. If the lamp does not light, the laser power is bad, if the lights, laser tube not the laser, the laser tube bad. GS-TFL-× × kW high power transverse flow CO2 laser series is a horizontal needle plate discharge gas fast circular flow lasers. The laser has a high power, high efficiency, high beam quality, long life, good stability, compact structure, the use of low-cost, easy maintenance features. The laser line can be used for laser heat treatment, welding, cutting and surface alloying and other applications, can process a variety of metallic and nonmetallic materials. The red ray green laser pointer adopts the mature semiconductor-made process materials.
The laser output the starter voltage: DC 40KV (130W), DC 35KV (W) DC 30 (KV) DC 26KV (40W). Maximum output current: DC 38 mA that (130W), the DC 30mA (80W) DC 24mA (60W) DC 20mA (40W). Response speed: ≤ step of 1mS. TTL level control switch: an effective level can be high, low selection. Protection switch: the waterways can be used with or without detection, protection of the laser; or when you open the shell of protection. The laser power adjustment: (1) of the potentiometer to adjust the output current of the laser power. (2) by the PWM control (amplitude TTL level). Power itself can be with a feedback interface can be used for closed-loop control for the actual work of inspection and laser current. The child only can use the china laser pointer under the supervision of the parents.
Connection: laser tube laser power supply high voltage (HV +) and carbon dioxide laser tube anode (ATR-side) is connected. Current of the laser power supply circuit, connected to the cathode through an ammeter (or direct) and the carbon dioxide laser tube (laser output). Control signal connection: Figure 1 (or 2) to control the laser power of the signal lines, respectively, and reliable access control side. Control signal input: shown in Figure 3, the external computer output DAC signal and TTL signal input laser power required to control the laser tube laser output as required. Voltages: the laser power requirements input 220VAC/50Hz For 110VAC to special order. The difference between yellow raychina laser pointer and green raychina laser pointer has been described in details.
Additional features: laser power protection switch can be connected in series in water protection, open shell protection. Note: must be water cooled laser tube work. The high voltage output may not be open. (Positive and negative side of the high voltage output laser positive and negative terminals must be properly connected.) Power have joined within the discharge resistance, generally within two seconds after the power blackout will be residual pressure is done. However, for safety reasons, still should be noted that, Beware of electric shock (high voltage output must ensure that at both ends hanging to 40KV high-voltage insulated safety requirements.) Laser power must be three-hole outlet with a grounding terminal. The chassis must be strictly grounded. Avoid electric shock. Power power power lights, power standby. Red ray china laser pointer has the full-blown technology.
The power supply output voltage signal, the Laser lights, power work properly. The power detection: power standby mode, press the test switch, a laser light, the laser tube output laser. If the lamp does not light, the laser power is bad, if the lights, laser tube not the laser, the laser tube bad. GS-TFL-× × kW high power transverse flow CO2 laser series is a horizontal needle plate discharge gas fast circular flow lasers. The laser has a high power, high efficiency, high beam quality, long life, good stability, compact structure, the use of low-cost, easy maintenance features. The laser line can be used for laser heat treatment, welding, cutting and surface alloying and other applications, can process a variety of metallic and nonmetallic materials. The red ray green laser pointer adopts the mature semiconductor-made process materials.
China laser pointer is advanced with IF technology adopted
For the dissemination of research from the laser resonator, to the size and distribution of the beam intensity and phase in the cavity, which is laid a foundation for the laser output characteristics. One of the main difference between laser as the light source and light is the laser cavity, the cavity doubled laser gain medium by stimulated amplification length to form a light high-brightness light source directivity. Actually the third important feature of the laser - a high degree of coherence is determined by the resonant cavity. The presence of discrete oscillation modes in the cavity due to the laser resonator, greatly improving the monochromaticity of the output laser to change the output laser beam structure and its transmission characteristics. The memory function of china laser pointer is optional.
This chapter laser output from the cavity of the diffraction theory of Gaussian beam, the laser output power and linewidth of the laser output limit. 2.1 in the optical resonator diffraction theory, geometrical optics analysis discussed the propagation of light in the cavity, the classification of the stability problem of the resonator and the resonator. Cavity oscillation modes exist, the pattern of the various modes of the beam structure and its transmission characteristics, diffraction loss, only the physical optics method. Optical resonant cavity mode theory is in fact in the theory of scalar Fresnel - Kirchhoff diffraction integral, as well as on the basis of the concept of mode of reproduction, the section in this way to discuss the optical resonator. china laser pointer is advanced with IF technology adopted. Fresnel - Kirchhoff diffraction formula of Huygens in order to describe the wave propagation process, the concept of the wavelet, that each point of the wave surface can be regarded as a sub-ball face the next time a new wave of the wave source before the shape is determined by the sub-sub-wave envelope surface. Fresnel introduction of the concept of interference, supplemented Huygens' principle, that the child Boyuan hair wave is coherent, spatial light field is the result of superposition of each sub-wave interference. Kirchhoff further Green's function method to solve the wave equation, the mathematical form of the Huygens-Fresnel principle is the Fresnel - Kirchhoff diffraction formula (3-1), its significance as shown in Figure (3 -1) as shown. By (3-1) can be seen that the wave surface on Σ a secondary wavelet is a "non-uniform spherical wave. The minute users insert them into the computer cases, green laser pointer can automatically run.
The factor e-ik of ρ ρ is that the waves are spherical waves, the factor 1 + cos of θ is called inclination factor, which reflects the wavelets of this spherical wave is "non-uniform". 3.1.2 optical resonator self-reproduction mode integral equation. Reproduction mode the concept of the optical resonator is an "open" resonator. The so-called open means that it rely on both ends of the reflector to achieve the round-trip propagation of the beam in the cavity, no other restrictions for light waves. Due to the limited size of the reflector, while the beam from the reflection, but also caused by the diffraction effect. Part of the cavity of each beam after the role of the mirror, the beam can not again be reflected back into the cavity. The specific requirement ofchina laser pointerwill be included in the instruction.
Thus, the intensity of the reflected beam to weaken, the light intensity distribution will also change. 1960 Fox, AG and Tingye Li computer iterative method numerical calculations prove that when the reflection times is enough for a long time (about 300 reflection), the transverse field distribution of the beam will be stabilized and no longer subject to the impact of diffraction. Field distribution in the cavity round-trip propagation time to be able to "reproduce", reflected only change the intensity of light size, without changing the light intensity distribution. The steady-state field after one round-trip, the only change is the mirror field amplitude attenuation by the same proportion of the phase lag of the same size. china laser pointer is suitable to systems like Windows 98/2000/ME/XP/Macs/Linux/Vista and so on.
This chapter laser output from the cavity of the diffraction theory of Gaussian beam, the laser output power and linewidth of the laser output limit. 2.1 in the optical resonator diffraction theory, geometrical optics analysis discussed the propagation of light in the cavity, the classification of the stability problem of the resonator and the resonator. Cavity oscillation modes exist, the pattern of the various modes of the beam structure and its transmission characteristics, diffraction loss, only the physical optics method. Optical resonant cavity mode theory is in fact in the theory of scalar Fresnel - Kirchhoff diffraction integral, as well as on the basis of the concept of mode of reproduction, the section in this way to discuss the optical resonator. china laser pointer is advanced with IF technology adopted. Fresnel - Kirchhoff diffraction formula of Huygens in order to describe the wave propagation process, the concept of the wavelet, that each point of the wave surface can be regarded as a sub-ball face the next time a new wave of the wave source before the shape is determined by the sub-sub-wave envelope surface. Fresnel introduction of the concept of interference, supplemented Huygens' principle, that the child Boyuan hair wave is coherent, spatial light field is the result of superposition of each sub-wave interference. Kirchhoff further Green's function method to solve the wave equation, the mathematical form of the Huygens-Fresnel principle is the Fresnel - Kirchhoff diffraction formula (3-1), its significance as shown in Figure (3 -1) as shown. By (3-1) can be seen that the wave surface on Σ a secondary wavelet is a "non-uniform spherical wave. The minute users insert them into the computer cases, green laser pointer can automatically run.
The factor e-ik of ρ ρ is that the waves are spherical waves, the factor 1 + cos of θ is called inclination factor, which reflects the wavelets of this spherical wave is "non-uniform". 3.1.2 optical resonator self-reproduction mode integral equation. Reproduction mode the concept of the optical resonator is an "open" resonator. The so-called open means that it rely on both ends of the reflector to achieve the round-trip propagation of the beam in the cavity, no other restrictions for light waves. Due to the limited size of the reflector, while the beam from the reflection, but also caused by the diffraction effect. Part of the cavity of each beam after the role of the mirror, the beam can not again be reflected back into the cavity. The specific requirement ofchina laser pointerwill be included in the instruction.
Thus, the intensity of the reflected beam to weaken, the light intensity distribution will also change. 1960 Fox, AG and Tingye Li computer iterative method numerical calculations prove that when the reflection times is enough for a long time (about 300 reflection), the transverse field distribution of the beam will be stabilized and no longer subject to the impact of diffraction. Field distribution in the cavity round-trip propagation time to be able to "reproduce", reflected only change the intensity of light size, without changing the light intensity distribution. The steady-state field after one round-trip, the only change is the mirror field amplitude attenuation by the same proportion of the phase lag of the same size. china laser pointer is suitable to systems like Windows 98/2000/ME/XP/Macs/Linux/Vista and so on.
The power of the china laser pointer is rather low
In order to inhibit the circulating water of microorganisms and prevent the chemical corrosion of components in the loop waterway ROFIN in order to inhibit the generation of circulating microorganisms in water and the prevention of chemical corrosion of components in the cycle waterways, in particular to Germany Nalco Company (NALCO: www.nalco. com), especially customized to Germany Nalco Company (NALCO: www.nalco.com) Series lasers corrosion inhibitor in the two specifications of the Order were: 480ROFIN DC0XX series of laser-specific anti-corrosion inhibitors, Order respectively :480-ROFIN 60.80 .80 (liters capacity water-cooled machine) 480,100.88 (60.80 (for 200 liters -350 liters capacity water-cooled machine) and for ROFIN 100.88 of the 480-(fitness liters of water capacity of the water-cooled machine). china laser pointer possesses the super high quality.
For 351 liters -500 liters water capacity, water-cooled machine). Nalco's special anti-corrosion inhibitors, each kit consists of two bottles of liquid composition, respectively, from the metal anti-Nalco's special anti-corrosion inhibitors each suite consists of two bottles of liquid, corrosive effect of inhibiting the action of microorganisms in the water ; corrosion and inhibition of the role of microorganisms in the water; this product is valid for two years, the storage temperature of 5 ℃ -25 ℃. 5 ℃ -25 ℃. The use of special anti-corrosion inhibitor, the following precautions: use of special anti-corrosion inhibitors following precautions: 1. The ROFIN company authorized customers only Nalco Company ROFIN laser equipped with a special anti-corrosion inhibitors. Special anti-corrosion inhibitors. Must be fitted with the use of additives with safety eye protection and rubber protective gloves. There is still some development space for the domestic sales ofchina laser pointer.
Must be fitted with the use of additives with safety eye protection and rubber protective gloves to avoid the chemicals damage the eyes and skin. Damage the eyes and skin. Each installation of additives after opening a one-time run out additives, 3. Each installation of additives after opening a one-time run out additives, we can not just use part of the stay more than a part of. To stay more than a part of. 4. Every six months to replace the circulating cooling water and re-install anti-corrosion inhibitors: each time you change every six months to replace the circulating cooling water and re-install anti-corrosion inhibitors: should water pipes and pipe twice the water to clean (clean tap water for the first time, twice pipes and pipe water to clean water must (first clean tap water, half water and half of pure water cleaning available again). The emitter and receiver ofchina laser pointerare twisted together.
Then add installed deionized water (purified water)), then add installed deionized water can be used half water and half of pure water), then add loaded again deionized water (pure water) by adding a new corrosion inhibitor. Again to add a new anti-corrosion inhibitors. Between 6.5-, 5. PH value of the circulating cooling water after the installation of anti-corrosion inhibitors must be between 6.5-9 monthly check does not match the importance of timely replacement and the technical staff to resolve. PH value, if inconsistent must be replaced or contact and the technical staff to resolve. This product chemicals. This product chemicals should be appropriate for the disposal of this product has expired goods, and use this product in aqueous or oil solution, etc. should be an appropriate solution, such as disposal. The power of the china laser pointer is rather low.
The corresponding sets of water-cooled machine must have an internal heating function, the corresponding sets of water-cooled machine must have an internal heating function to protect the circulating cooling water temperature of 15 ° C. Not less than 15 ℃. Water-cooled machine circulating water can not be mixed with antifreeze, because of possible chemical reactions will laser water-cooled machine circulating water can not be mixed with antifreeze inside the hazard. Device Internal harm. Chapter 3, the laser output characteristics, the first two chapters proceed from the luminous physical basis of the laser works in the laser resonator by stimulated emission of radiation greater than the spontaneous emission of light by stimulated emission of radiation amplification process and conditions were discussed in detail. Main functions of green laser pointer should be contained in the working instruction.
For 351 liters -500 liters water capacity, water-cooled machine). Nalco's special anti-corrosion inhibitors, each kit consists of two bottles of liquid composition, respectively, from the metal anti-Nalco's special anti-corrosion inhibitors each suite consists of two bottles of liquid, corrosive effect of inhibiting the action of microorganisms in the water ; corrosion and inhibition of the role of microorganisms in the water; this product is valid for two years, the storage temperature of 5 ℃ -25 ℃. 5 ℃ -25 ℃. The use of special anti-corrosion inhibitor, the following precautions: use of special anti-corrosion inhibitors following precautions: 1. The ROFIN company authorized customers only Nalco Company ROFIN laser equipped with a special anti-corrosion inhibitors. Special anti-corrosion inhibitors. Must be fitted with the use of additives with safety eye protection and rubber protective gloves. There is still some development space for the domestic sales ofchina laser pointer.
Must be fitted with the use of additives with safety eye protection and rubber protective gloves to avoid the chemicals damage the eyes and skin. Damage the eyes and skin. Each installation of additives after opening a one-time run out additives, 3. Each installation of additives after opening a one-time run out additives, we can not just use part of the stay more than a part of. To stay more than a part of. 4. Every six months to replace the circulating cooling water and re-install anti-corrosion inhibitors: each time you change every six months to replace the circulating cooling water and re-install anti-corrosion inhibitors: should water pipes and pipe twice the water to clean (clean tap water for the first time, twice pipes and pipe water to clean water must (first clean tap water, half water and half of pure water cleaning available again). The emitter and receiver ofchina laser pointerare twisted together.
Then add installed deionized water (purified water)), then add installed deionized water can be used half water and half of pure water), then add loaded again deionized water (pure water) by adding a new corrosion inhibitor. Again to add a new anti-corrosion inhibitors. Between 6.5-, 5. PH value of the circulating cooling water after the installation of anti-corrosion inhibitors must be between 6.5-9 monthly check does not match the importance of timely replacement and the technical staff to resolve. PH value, if inconsistent must be replaced or contact and the technical staff to resolve. This product chemicals. This product chemicals should be appropriate for the disposal of this product has expired goods, and use this product in aqueous or oil solution, etc. should be an appropriate solution, such as disposal. The power of the china laser pointer is rather low.
The corresponding sets of water-cooled machine must have an internal heating function, the corresponding sets of water-cooled machine must have an internal heating function to protect the circulating cooling water temperature of 15 ° C. Not less than 15 ℃. Water-cooled machine circulating water can not be mixed with antifreeze, because of possible chemical reactions will laser water-cooled machine circulating water can not be mixed with antifreeze inside the hazard. Device Internal harm. Chapter 3, the laser output characteristics, the first two chapters proceed from the luminous physical basis of the laser works in the laser resonator by stimulated emission of radiation greater than the spontaneous emission of light by stimulated emission of radiation amplification process and conditions were discussed in detail. Main functions of green laser pointer should be contained in the working instruction.
China laser pointer owns the reasonable price
Special direct water cooling of the lath electrode Because the the ROFIN DC0XX series lasers, using a special direct water cooling of the lath-type electrode for anti-Series lasers only produce chemical corrosion of internal components, only to produce the chemical corrosion of internal components laser equipped with chiller and circulating cooling water must meet special requirements, and enough special requirements, the responsibility of the domestic OEM notification and request the Secretary of the end customer must follow the the ROFIN instructions and requirements (see the fourth chapter of the manual) instructions and requirements (see the fourth chapter of the manual) equipped with a water-cooled machine and circulating cooling water and anti-corrosion inhibitors, corrosion inhibitors. The performance of china laser pointer should be perfected further.
Otherwise, due to the circulating water quality problems may lead to chemical corrosion of the hot internal components resulting in the endoleaks serious laser resonator, resulting in the endoleaks serious laser resonator, the customer is not equipped as required with water-cooled machines and The ROFIN Company cooling water and not add fat to anti-corrosion inhibitors caused a similar situation for the corresponding laser machine warranty will be automatically invalidated. Should be laser machine warranty will automatically become invalid. In order to ensure the stability of the circulating cooling water for a long time. The company holds a great hope on the domestic sales ofchina laser pointer.
Water tanks, pumps, valves and other components of the direct contact with circulating water in the water-cooled machines and circular waterway used to ensure the stability of the circulating cooling water to work long hours, can only use stainless steel, copper alloy water tanks, pumps, valves, etc. direct contact with circulating water, the components can only use the materials of the chemical stability of the material of stainless steel, or plastic, or plastic, chemical stability, and poor chemical stability of aluminum alloy or chemical cast iron can not be used for the entire waterway materials. The circular waterway hose to use opaque materials, cast iron and other materials of the poor chemical stability. Hose of circular waterway to use opaque material, to avoid illumination of algae in the water microorganisms. china laser pointer has the outstanding feature.
Free light algae microorganisms in the water. In the water-cooled machine water exported between the laser inlet micron filter must be installed on the accuracy of less than 100 micron filter to avoid impurities in the water deposition of the laser water-cooled components of the wall, wall, or a period of time due to impurities deposited on the The components of the wall will affect the heat exchange efficiency of the water-cooled components, thus affecting the stability of the output of the laser power rating. Heat exchange efficiency, which affects the stability of the output of the laser power rating. In order to ensure that the entire circulating cooling water system, water quality, the initial installation (or transfer machines installed) in order to ensure the quality of water in the circulating cooling water system. green laser pointer possesses the terrific parameters.
Circulating cooling water system of water quality in the initial installation (or transfer machines installed), we must first turn with water and purified water to the entire waterway cleaning cycle (first to turn tap water and purified water circulation cleaning (cleaning of the entire waterway To remove the filter cartridge, cleaning the end of the end and then loaded back), exhausted after the cleaning effect was recognized cycle waterway in the residual filter filter, cleaning and then install the back), exhausted after the cleaning effect was recognized cycle waterway residues), leaving the water, deionized water (or pure water) stay in the water, and then join the conductivity is less than 10us/cm of deionized water (or pure water) lasers can begin work. You can start working. china laser pointer owns the reasonable price.
Otherwise, due to the circulating water quality problems may lead to chemical corrosion of the hot internal components resulting in the endoleaks serious laser resonator, resulting in the endoleaks serious laser resonator, the customer is not equipped as required with water-cooled machines and The ROFIN Company cooling water and not add fat to anti-corrosion inhibitors caused a similar situation for the corresponding laser machine warranty will be automatically invalidated. Should be laser machine warranty will automatically become invalid. In order to ensure the stability of the circulating cooling water for a long time. The company holds a great hope on the domestic sales ofchina laser pointer.
Water tanks, pumps, valves and other components of the direct contact with circulating water in the water-cooled machines and circular waterway used to ensure the stability of the circulating cooling water to work long hours, can only use stainless steel, copper alloy water tanks, pumps, valves, etc. direct contact with circulating water, the components can only use the materials of the chemical stability of the material of stainless steel, or plastic, or plastic, chemical stability, and poor chemical stability of aluminum alloy or chemical cast iron can not be used for the entire waterway materials. The circular waterway hose to use opaque materials, cast iron and other materials of the poor chemical stability. Hose of circular waterway to use opaque material, to avoid illumination of algae in the water microorganisms. china laser pointer has the outstanding feature.
Free light algae microorganisms in the water. In the water-cooled machine water exported between the laser inlet micron filter must be installed on the accuracy of less than 100 micron filter to avoid impurities in the water deposition of the laser water-cooled components of the wall, wall, or a period of time due to impurities deposited on the The components of the wall will affect the heat exchange efficiency of the water-cooled components, thus affecting the stability of the output of the laser power rating. Heat exchange efficiency, which affects the stability of the output of the laser power rating. In order to ensure that the entire circulating cooling water system, water quality, the initial installation (or transfer machines installed) in order to ensure the quality of water in the circulating cooling water system. green laser pointer possesses the terrific parameters.
Circulating cooling water system of water quality in the initial installation (or transfer machines installed), we must first turn with water and purified water to the entire waterway cleaning cycle (first to turn tap water and purified water circulation cleaning (cleaning of the entire waterway To remove the filter cartridge, cleaning the end of the end and then loaded back), exhausted after the cleaning effect was recognized cycle waterway in the residual filter filter, cleaning and then install the back), exhausted after the cleaning effect was recognized cycle waterway residues), leaving the water, deionized water (or pure water) stay in the water, and then join the conductivity is less than 10us/cm of deionized water (or pure water) lasers can begin work. You can start working. china laser pointer owns the reasonable price.
Wednesday, February 22, 2012
It will be better to avoid china laser pointer contacting liquids
The high catalytic activity of platinum and rhodium and other precious metals, purification effect, but very expensive rare earth car exhaust catalysts because of its low price, good thermal and chemical stability, high activity, long life, anti of Pb, S-poisoning highly valued. The major pollutants in vehicle exhaust CO, HC, and NOx. The survey showed that the main source of urban pollution, vehicle exhaust, and effective control of vehicle exhaust pollutants content is the main way to improve air quality. Under certain conditions, the precious metal catalysts and rare earth catalyst can purify CO, HC and NO. In addition, the catalyst carrier of La, Ce, Y, rare earth elements can improve the thermal stability of the carrier, mechanical properties, high temperature oxidation resistance. Here is the service commitment of china laser pointer.
U.S. auto catalyst consumption is considerable, 44% of 1995 consumption of rare earth accounted for the total rare earth consumption of 11,000 tons, 65% of the rare earth of its total consumption in 1997, various catalysts (car exhaust and oil cracking) to reach 12,045 tons. China Rare Earth automobile exhaust purification catalyst needs not to scale, but with the national emphasis on environmental pollution and related policies, rare earth auto exhaust catalytic materials will be widely applied, and become another important area of application of rare earth in China , thus boosting the development of the rare earth industry. Rare earth elements in rare earth functional ceramics and high temperature structural ceramics, rare earth ceramic material is doped in the form of traces of rare earth doping can dramatically change the sintering properties of ceramic materials, microstructure, density, phase composition and the physical and mechanical properties. Here will introduce the quadruple projection china laser pointer.
Rare earth functional ceramic insulating materials (electrical, thermal), the capacitor dielectric materials, ferroelectric and piezoelectric materials, semiconductor materials, superconducting materials, electro-optical ceramic materials, thermoelectric ceramic materials, chemical adsorption materials, as well as solid electrolyte materials . Traditional piezoelectric ceramic materials such as PbTiO3, PbZrxTi1-xO3 (PZT) doped with trace rare earth oxides such as of Y2O3, 2O3, 2O3, 2, La Sm of CeO of Nd2O3 and can greatly improve the dielectric and piezoelectric to make them better adapted to the actual needs of the PZT piezoelectric ceramics have been widely used in electro-acoustic, acoustic, ultrasonic devices, signal processing, infrared technology, ignition detonated, and micro-motors. It will be better to avoid china laser pointer contacting liquids.
Made of piezoelectric ceramic sensors have been successfully used in automotive air bag protection system. A large number of multilayer ceramic capacitors used in mobile phones and computers, and rare earth elements such as La, Ce and Nd, in which plays an important role. Rare earth semiconductor ceramics are very active, this material BaTiO3-based doped with rare earth and doped SrTiO3 base, rare earth, rare earth doping plays a key role in this effect, the PTC thermistor semiconductor materials can be used as electrical overheating protection devices, temperature compensator, temperature sensor, a delay element, degaussing components. Rare earth high-temperature superconducting materials is also a hot research topic. Due to the discovery of rare earth oxides La-Ba-Cu-O superconductor research, superconducting materials, the Curie temperature (Tc) has been greatly improved. The data of china laser pointer is predicted according to the experience.
Our country is an international leader in high-temperature superconductivity research, preparation of Y-Ba-Cu-O system technology, applied technology and application of basic research have achieved varying degrees of progress, the RE-Ba-Cu-O superconductor Tc = 80 ~ 90K, in addition to our country was also synthesized the Department of alkali metal rare earth-doped superconductors such as (Sr and Nd) CuO2 and Sr1-xYxCuO2 [6]. Wide range of applications of superconducting materials, can be used as a superconducting electromagnet for a maglev train can be used for generators, motors, power transmission, microwave. The rare earth high-temperature structural ceramics, mainly refers to the doped rare earth Si3N4, SiC and ZrO2 high temperature, high strength, high toughness ceramics, engineering ceramics. Si3N4 ceramic composite materials doped with rare earth (La, Y) can be used for high temperature gas turbines, ceramic engine, high-temperature bearings and other high-tech fields, and its working temperature up to 1650 ℃. The colorful flashing balls can indicate different situations of green laser pointer.
U.S. auto catalyst consumption is considerable, 44% of 1995 consumption of rare earth accounted for the total rare earth consumption of 11,000 tons, 65% of the rare earth of its total consumption in 1997, various catalysts (car exhaust and oil cracking) to reach 12,045 tons. China Rare Earth automobile exhaust purification catalyst needs not to scale, but with the national emphasis on environmental pollution and related policies, rare earth auto exhaust catalytic materials will be widely applied, and become another important area of application of rare earth in China , thus boosting the development of the rare earth industry. Rare earth elements in rare earth functional ceramics and high temperature structural ceramics, rare earth ceramic material is doped in the form of traces of rare earth doping can dramatically change the sintering properties of ceramic materials, microstructure, density, phase composition and the physical and mechanical properties. Here will introduce the quadruple projection china laser pointer.
Rare earth functional ceramic insulating materials (electrical, thermal), the capacitor dielectric materials, ferroelectric and piezoelectric materials, semiconductor materials, superconducting materials, electro-optical ceramic materials, thermoelectric ceramic materials, chemical adsorption materials, as well as solid electrolyte materials . Traditional piezoelectric ceramic materials such as PbTiO3, PbZrxTi1-xO3 (PZT) doped with trace rare earth oxides such as of Y2O3, 2O3, 2O3, 2, La Sm of CeO of Nd2O3 and can greatly improve the dielectric and piezoelectric to make them better adapted to the actual needs of the PZT piezoelectric ceramics have been widely used in electro-acoustic, acoustic, ultrasonic devices, signal processing, infrared technology, ignition detonated, and micro-motors. It will be better to avoid china laser pointer contacting liquids.
Made of piezoelectric ceramic sensors have been successfully used in automotive air bag protection system. A large number of multilayer ceramic capacitors used in mobile phones and computers, and rare earth elements such as La, Ce and Nd, in which plays an important role. Rare earth semiconductor ceramics are very active, this material BaTiO3-based doped with rare earth and doped SrTiO3 base, rare earth, rare earth doping plays a key role in this effect, the PTC thermistor semiconductor materials can be used as electrical overheating protection devices, temperature compensator, temperature sensor, a delay element, degaussing components. Rare earth high-temperature superconducting materials is also a hot research topic. Due to the discovery of rare earth oxides La-Ba-Cu-O superconductor research, superconducting materials, the Curie temperature (Tc) has been greatly improved. The data of china laser pointer is predicted according to the experience.
Our country is an international leader in high-temperature superconductivity research, preparation of Y-Ba-Cu-O system technology, applied technology and application of basic research have achieved varying degrees of progress, the RE-Ba-Cu-O superconductor Tc = 80 ~ 90K, in addition to our country was also synthesized the Department of alkali metal rare earth-doped superconductors such as (Sr and Nd) CuO2 and Sr1-xYxCuO2 [6]. Wide range of applications of superconducting materials, can be used as a superconducting electromagnet for a maglev train can be used for generators, motors, power transmission, microwave. The rare earth high-temperature structural ceramics, mainly refers to the doped rare earth Si3N4, SiC and ZrO2 high temperature, high strength, high toughness ceramics, engineering ceramics. Si3N4 ceramic composite materials doped with rare earth (La, Y) can be used for high temperature gas turbines, ceramic engine, high-temperature bearings and other high-tech fields, and its working temperature up to 1650 ℃. The colorful flashing balls can indicate different situations of green laser pointer.
The third characteristic is the stable and reliable operation of china laser pointer
The Pink widespread use in the current CPT the sulfur europium activated yttrium oxide in Y2O2S: of Eu phosphor, size 6 ~ 8μm, computer monitor light-emitting materials to provide high brightness, high contrast and clarity, the Pink also used in Y2O2S: Eu, the Eu content is higher, the green powder of Tb 3 + rare earth activated sulfur oxides in Y2O2S: Tb, Dy by and Gd2O2S: Tb, Dy by efficient green phosphor particle size of ~ 6μm. Some news reports that the blue powder luminescent materials will replace zinc, strontium sulfide powder [2]. Large screen projection TV Pink in Y2O2S: Eu, the green powder of Tb-activated rare earth luminescent materials. Projection TV phosphors annually consume several tons of rare earth oxides. The client puts forward a lot of requirements for this type of china laser pointer.
EL PDP, such as plasma display luminescent materials for electrical materials, red ZnSiNdF3, ZnSiSmF3 ZnSiEuF3 film, green the ZnSiTbF3, ZnSiErF3, and ZnSiHoF3 film, the blue light-emitting materials ZnSiTmF3 brightness is very low, thus excluding rare earth ZnSiAg. PDP is a flat panel display technology, rare earth consumption will be further expanded with the increase of market demand for PDP TVs. Another important application of luminescent materials, rare earth tricolor energy saving lamps, it uses rare earth trichromatic phosphor photoluminescence materials, high luminescence efficiency of rare-earth energy-saving lamps, saving electricity, and by its development and application of world attention. The triple projectionchina laser pointer will be described.
In addition, there are rare earth on the conversion of light-emitting materials, widely used in infrared detection. Some up-conversion luminescent materials such as BaYF5: Yb and Er infrared converted into visible light, night-vision goggles used in this material. Rare earth laser materials and laser birth of the rare earth is a very important element in the laser material, 90% of the laser material and the rare earth. The rare earth laser materials can be divided into three main categories of solids, liquids and gases, the most widely used application of rare-earth solid-state laser materials. The rare-earth solid-state laser materials can be divided into the crystal, glass, fiber, and stoichiometric laser material. The rare earth laser materials widely used in communications, medical, information storage, cutting and welding and so on. The third characteristic is the stable and reliable operation of china laser pointer.
Rare-earth fiber laser material plays an important role in the development of modern optical fiber communication. The optical signal amplification technology is developed to compensate for long-distance transmission over coherent state decay. The development and application of the erbium-doped fiber amplifier (EDFA) and other high-tech development of modern optical fiber communication has made considerable progress. Very small quantities of rare earth in the fiber, the world's total amount of kilograms only, but the role is decisive. The development of rare earth hydrogen storage materials, hydrogen storage materials become possible to make hydrogen as an energy source practical. In today's increasingly serious energy shortage and environmental pollution, the development and application of hydrogen storage materials naturally become a hot topic. Rare earth and transition metal elements, intermetallic compounds MMNi5 (MM mixed rare earth metals) and LaNi5 is an excellent hydrogen absorption materials, can be used as a hydrogen purification, separation and recycling. The production process of green laser pointer strictly conforms to ISO 9001 quality system to ensure the long-time and continuous work.
Another important application of rare earth hydrogen storage materials can be used as a cathode material of Ni / MH battery. Nickel-metal hydride batteries and nickel cadmium batteries, and its energy density is increased twice, and no pollution, known as green energy. Ni / MH battery is widely used, such as laptops, computers, cameras, tape recorders, digital cameras, communications equipment, etc., as well as a potentially important use for electric vehicles. Rare earth catalyst materials, rare earth catalyst materials have been widely used in the cracking of petroleum, synthetic rubber, petrochemical and automobile exhaust purification. China's emphasis on environmental protection, air pollution control measures to strengthen, stimulate market demand for automobile exhaust purification, vehicle exhaust catalyst material development and application of further attention. Here is the ambient temperature of china laser pointer.
EL PDP, such as plasma display luminescent materials for electrical materials, red ZnSiNdF3, ZnSiSmF3 ZnSiEuF3 film, green the ZnSiTbF3, ZnSiErF3, and ZnSiHoF3 film, the blue light-emitting materials ZnSiTmF3 brightness is very low, thus excluding rare earth ZnSiAg. PDP is a flat panel display technology, rare earth consumption will be further expanded with the increase of market demand for PDP TVs. Another important application of luminescent materials, rare earth tricolor energy saving lamps, it uses rare earth trichromatic phosphor photoluminescence materials, high luminescence efficiency of rare-earth energy-saving lamps, saving electricity, and by its development and application of world attention. The triple projectionchina laser pointer will be described.
In addition, there are rare earth on the conversion of light-emitting materials, widely used in infrared detection. Some up-conversion luminescent materials such as BaYF5: Yb and Er infrared converted into visible light, night-vision goggles used in this material. Rare earth laser materials and laser birth of the rare earth is a very important element in the laser material, 90% of the laser material and the rare earth. The rare earth laser materials can be divided into three main categories of solids, liquids and gases, the most widely used application of rare-earth solid-state laser materials. The rare-earth solid-state laser materials can be divided into the crystal, glass, fiber, and stoichiometric laser material. The rare earth laser materials widely used in communications, medical, information storage, cutting and welding and so on. The third characteristic is the stable and reliable operation of china laser pointer.
Rare-earth fiber laser material plays an important role in the development of modern optical fiber communication. The optical signal amplification technology is developed to compensate for long-distance transmission over coherent state decay. The development and application of the erbium-doped fiber amplifier (EDFA) and other high-tech development of modern optical fiber communication has made considerable progress. Very small quantities of rare earth in the fiber, the world's total amount of kilograms only, but the role is decisive. The development of rare earth hydrogen storage materials, hydrogen storage materials become possible to make hydrogen as an energy source practical. In today's increasingly serious energy shortage and environmental pollution, the development and application of hydrogen storage materials naturally become a hot topic. Rare earth and transition metal elements, intermetallic compounds MMNi5 (MM mixed rare earth metals) and LaNi5 is an excellent hydrogen absorption materials, can be used as a hydrogen purification, separation and recycling. The production process of green laser pointer strictly conforms to ISO 9001 quality system to ensure the long-time and continuous work.
Another important application of rare earth hydrogen storage materials can be used as a cathode material of Ni / MH battery. Nickel-metal hydride batteries and nickel cadmium batteries, and its energy density is increased twice, and no pollution, known as green energy. Ni / MH battery is widely used, such as laptops, computers, cameras, tape recorders, digital cameras, communications equipment, etc., as well as a potentially important use for electric vehicles. Rare earth catalyst materials, rare earth catalyst materials have been widely used in the cracking of petroleum, synthetic rubber, petrochemical and automobile exhaust purification. China's emphasis on environmental protection, air pollution control measures to strengthen, stimulate market demand for automobile exhaust purification, vehicle exhaust catalyst material development and application of further attention. Here is the ambient temperature of china laser pointer.
This type of china laser pointer has the full power of 100mW
Rare earth new materials and their application in high-tech fields. Abstract: This paper briefly describes the new rare earth materials and their application in high-tech fields, and a brief analysis that China's rare earth industry the level of high-tech applications, as well as the development of new rare earth materials and their application of technology in the field of high technology is the fundamental way to achieve the conversion of the rare earth resource advantages into economic advantages. Key words: Key words: rare earth; rare earth new materials; unique physical and chemical properties of high-tech application of rare earth elements, the decision they have an extremely wide range of uses. The china laser pointer company is always positively searching the new technology of china laser pointer.
Rare earth elements has a unique structure of the 4f electrons, the atomic magnetic moment, a strong spin-orbit coupling and other characteristics of the formation of rare earth complexes with other elements, the coordination number of 3 to 12 varies between, and rare-earth compounds The crystal structure is diversified. In the field of new materials, rare earth elements in the optical, electrical, and magnetic properties has been widely applied. In the high-tech fields, rare earth new materials play an important role. The new rare earth materials, including rare earth permanent magnet materials, luminescent materials, rare earth hydrogen storage materials, rare earth catalyst materials, rare earth, ceramic materials, and other rare earth new materials such as rare earth giant magnetostrictive material, giant magnetoresistive materials and magnetic refrigeration materials, light refrigerant materials, magneto-optical storage materials. china laser pointer can be divided into the following as per quantity of laser heads.
Rare earth permanent magnet materials, rare earth permanent magnet materials because of their alloy composition, can be divided into three categories [1]: (1) rare earth - cobalt permanent magnet material: SmCo5, of Sm2Co17; (2) rare earth - iron permanent magnet materials: of Nd2Fe14B; (3) rare-earth iron nitrogen (RE-Fe-N lines) or rare-earth iron-carbon (RE-Fe-C system) permanent magnet materials. Can be divided into chronological order by the development and application of the first generation (1:5 SmCo5), the second generation (2:7 type of Sm2Co17), the third generation (NdFeB), currently being actively developed to find a fourth-generation rare earth permanent magnet. Sm2Co17 has high magnetic properties and stability of a wide range of applications. Nd2Fe14B type rare earth permanent magnet in the 1980s come out, because of its superior performance and lower prices in many areas soon replace Sm2Co17 rare earth permanent magnets, and soon realized industrial production. This type of china laser pointer has the full power of 100mW.
Japan has developed energy product 55.8MGOe of Nd2Fe14B-type rare earth permanent magnet. NdFeB magnets are widely used in energy, transportation, machinery, medical, computer, household appliances and other fields. China NdFeB production in 1998 accounted for 38% of world production, a total of 3850 tons. China NdFeB industry has not yet formed a large-scale operations, products and more affordable products, the energy product is generally less than 45MGOe, mostly 40MGOe the following products, and thus used for audio equipment, the middle and low areas of the magnetization, magnetic separator, etc.; Japan NdFeB production is focused only on a few manufacturers, their products mostly above products 40MGOe, used for computer VCM, the new motor, MRI and other high-tech fields. NdFeB industry only to achieve economies of scale, the industry group, high-performance product quality, can be in an invincible position in international competition, and promote the development of rare earth industry. The good green laser pointer company has the complete testing equipment of good quality so that the product quality is good enough.
The luminescence of rare earth and the advantages of laser materials, luminescent materials is the strong absorptive capacity, the conversion rate, and can be fired from the ultraviolet to the infrared spectrum in the visible region, there is a strong launch capability, and physical and chemical properties and stability. Luminescent materials because of their excitation mechanism can be divided into cathode-ray of rare earth luminescent materials, rare earth photoluminescence materials, X-ray luminescent materials, rare earth scintillator conversion of light-emitting materials and other rare earth functional, rare earth luminescent materials. At present, the luminescent materials used in color TV picture tubes, computer monitors, lighting, medical equipment and other aspects. The rare earth luminescent materials, the largest amount of color TV picture tubes, computer monitors, rare earth tricolor energy saving lamps, PDP plasma display. Luminescent materials for color television picture tubes and computer monitors use a cathode-ray luminous materials. Passing rate of china laser pointer quality can keep above 99.37% for a long time.
Rare earth elements has a unique structure of the 4f electrons, the atomic magnetic moment, a strong spin-orbit coupling and other characteristics of the formation of rare earth complexes with other elements, the coordination number of 3 to 12 varies between, and rare-earth compounds The crystal structure is diversified. In the field of new materials, rare earth elements in the optical, electrical, and magnetic properties has been widely applied. In the high-tech fields, rare earth new materials play an important role. The new rare earth materials, including rare earth permanent magnet materials, luminescent materials, rare earth hydrogen storage materials, rare earth catalyst materials, rare earth, ceramic materials, and other rare earth new materials such as rare earth giant magnetostrictive material, giant magnetoresistive materials and magnetic refrigeration materials, light refrigerant materials, magneto-optical storage materials. china laser pointer can be divided into the following as per quantity of laser heads.
Rare earth permanent magnet materials, rare earth permanent magnet materials because of their alloy composition, can be divided into three categories [1]: (1) rare earth - cobalt permanent magnet material: SmCo5, of Sm2Co17; (2) rare earth - iron permanent magnet materials: of Nd2Fe14B; (3) rare-earth iron nitrogen (RE-Fe-N lines) or rare-earth iron-carbon (RE-Fe-C system) permanent magnet materials. Can be divided into chronological order by the development and application of the first generation (1:5 SmCo5), the second generation (2:7 type of Sm2Co17), the third generation (NdFeB), currently being actively developed to find a fourth-generation rare earth permanent magnet. Sm2Co17 has high magnetic properties and stability of a wide range of applications. Nd2Fe14B type rare earth permanent magnet in the 1980s come out, because of its superior performance and lower prices in many areas soon replace Sm2Co17 rare earth permanent magnets, and soon realized industrial production. This type of china laser pointer has the full power of 100mW.
Japan has developed energy product 55.8MGOe of Nd2Fe14B-type rare earth permanent magnet. NdFeB magnets are widely used in energy, transportation, machinery, medical, computer, household appliances and other fields. China NdFeB production in 1998 accounted for 38% of world production, a total of 3850 tons. China NdFeB industry has not yet formed a large-scale operations, products and more affordable products, the energy product is generally less than 45MGOe, mostly 40MGOe the following products, and thus used for audio equipment, the middle and low areas of the magnetization, magnetic separator, etc.; Japan NdFeB production is focused only on a few manufacturers, their products mostly above products 40MGOe, used for computer VCM, the new motor, MRI and other high-tech fields. NdFeB industry only to achieve economies of scale, the industry group, high-performance product quality, can be in an invincible position in international competition, and promote the development of rare earth industry. The good green laser pointer company has the complete testing equipment of good quality so that the product quality is good enough.
The luminescence of rare earth and the advantages of laser materials, luminescent materials is the strong absorptive capacity, the conversion rate, and can be fired from the ultraviolet to the infrared spectrum in the visible region, there is a strong launch capability, and physical and chemical properties and stability. Luminescent materials because of their excitation mechanism can be divided into cathode-ray of rare earth luminescent materials, rare earth photoluminescence materials, X-ray luminescent materials, rare earth scintillator conversion of light-emitting materials and other rare earth functional, rare earth luminescent materials. At present, the luminescent materials used in color TV picture tubes, computer monitors, lighting, medical equipment and other aspects. The rare earth luminescent materials, the largest amount of color TV picture tubes, computer monitors, rare earth tricolor energy saving lamps, PDP plasma display. Luminescent materials for color television picture tubes and computer monitors use a cathode-ray luminous materials. Passing rate of china laser pointer quality can keep above 99.37% for a long time.
Tuesday, February 21, 2012
China laser pointer has the application of laser advertisement
Can also prepare traditional metallurgical methods can not get some special materials, such as superconducting alloy, the surface of metal, glass, etc.. Compared with the ordinary arc surface hardening and plasma spraying, laser alloying has the following advantages. The laser radiation energy is highly concentrated, can be transported over long distances through the air. Is a fast approach, the efficient use of energy. Power density can be accurately controlled and the heating rate and thus a small deformation, while the arc hardening, plasma spraying is the uneven heating and cooling, thermal shock in the quenching process, resulting in cross-shaped and cracking, it often requires straightening and grinding processing. Triple-color animationchina laser pointer will be introduced.
Enable inaccessible and local area alloying, and the use of deep focus of the laser, available on the irregular parts uniform alloying depth. Based on the above characteristics, laser alloying in the metal processing industry gradually began to get a variety of applications. Substrates have so far is suitable for laser alloying of plain carbon steel, alloy steel, stainless steel, cast iron, cobalt and aluminum alloy, the alloying elements Cr, Ni, W, Ti, Mn, B, and V, of Co, Mo. Laser alloying process are generally three types: preset material law, the hard particle injection at the same time and gas alloying. The gradually drawing and speed of china laser pointer have been enhanced.
The more common methods used. Alloy powder by electrochemical deposition, vapor deposition, ion implantation, brush, diffusion layer remelting, flame and plasma spraying binder coating and other methods will be required prior Xu overlying surface alloying and laser heating melting on the surface to form a new alloy layer. This method is commonly used by some of the iron-based surface alloying. The requirements of the deposited film is to clean the substrate film interface as a smooth surface. Thin membrane of the preset can usually be means of vapor deposition, vacuum sputtering, ion implantation, etc. obtained for the production of thick preset film. Can be used in electroplating, spraying, rolling, diffusion (boronizing), pre-coated alloy powder or diaphragm and other methods. china laser pointer has the application of laser advertisement and laser projection.
Hard particle injection at the same time France. Hard plasma jet at the same time France is characterized by melting the surface of the substrate in the laser spray man alloy powder or hard particles to the molten pool at the same time in order to achieve surface alloying. The thickness of the laser gas alloying: refers to the appropriate atmosphere (nitrogen, carburizing atmosphere), using laser heating and melting the surface of the substrate surface by the reaction of gases in the atmosphere and the substrate, than those of normal solid-state reaction processing thickness is much greater. It is mainly soft substrates A1, Ti and its alloys, alloying process, namely, availability of TiN, TiC or Ti (C, N) surface compound layer, the hardness of up to l 000Hv. Convection in molten pool, the alloying elements can quickly penetrate the deeper parts. The scanner of green laser pointer is equipped with the large-angle scanning.
The laser alloying layer microstructure. The microstructure characteristics of the laser alloying. The organizational characteristics of the laser surface alloying layer is uneven alloying organizations. Include three aspects: First, the alloying bath uneven, and organization will appear in its cross-sectional gradient; alloying the molten pool of macro-organizational heterogeneity; third is referred to earlier cyclical change area of overlap of the alloying area. Gradient in the organization, the common composite tissue has three characteristics: flat crystal - cellular dendrite - cellular dendrite - dendrite; cellular dendrite - cellular dendrite - dendrite; cellular dendrite - dendrite. The flash disk port vigorously develops together withchina laser pointer.
Enable inaccessible and local area alloying, and the use of deep focus of the laser, available on the irregular parts uniform alloying depth. Based on the above characteristics, laser alloying in the metal processing industry gradually began to get a variety of applications. Substrates have so far is suitable for laser alloying of plain carbon steel, alloy steel, stainless steel, cast iron, cobalt and aluminum alloy, the alloying elements Cr, Ni, W, Ti, Mn, B, and V, of Co, Mo. Laser alloying process are generally three types: preset material law, the hard particle injection at the same time and gas alloying. The gradually drawing and speed of china laser pointer have been enhanced.
The more common methods used. Alloy powder by electrochemical deposition, vapor deposition, ion implantation, brush, diffusion layer remelting, flame and plasma spraying binder coating and other methods will be required prior Xu overlying surface alloying and laser heating melting on the surface to form a new alloy layer. This method is commonly used by some of the iron-based surface alloying. The requirements of the deposited film is to clean the substrate film interface as a smooth surface. Thin membrane of the preset can usually be means of vapor deposition, vacuum sputtering, ion implantation, etc. obtained for the production of thick preset film. Can be used in electroplating, spraying, rolling, diffusion (boronizing), pre-coated alloy powder or diaphragm and other methods. china laser pointer has the application of laser advertisement and laser projection.
Hard particle injection at the same time France. Hard plasma jet at the same time France is characterized by melting the surface of the substrate in the laser spray man alloy powder or hard particles to the molten pool at the same time in order to achieve surface alloying. The thickness of the laser gas alloying: refers to the appropriate atmosphere (nitrogen, carburizing atmosphere), using laser heating and melting the surface of the substrate surface by the reaction of gases in the atmosphere and the substrate, than those of normal solid-state reaction processing thickness is much greater. It is mainly soft substrates A1, Ti and its alloys, alloying process, namely, availability of TiN, TiC or Ti (C, N) surface compound layer, the hardness of up to l 000Hv. Convection in molten pool, the alloying elements can quickly penetrate the deeper parts. The scanner of green laser pointer is equipped with the large-angle scanning.
The laser alloying layer microstructure. The microstructure characteristics of the laser alloying. The organizational characteristics of the laser surface alloying layer is uneven alloying organizations. Include three aspects: First, the alloying bath uneven, and organization will appear in its cross-sectional gradient; alloying the molten pool of macro-organizational heterogeneity; third is referred to earlier cyclical change area of overlap of the alloying area. Gradient in the organization, the common composite tissue has three characteristics: flat crystal - cellular dendrite - cellular dendrite - dendrite; cellular dendrite - cellular dendrite - dendrite; cellular dendrite - dendrite. The flash disk port vigorously develops together withchina laser pointer.
China laser pointer will be safer for the human body and the environment
The main problems in laser melting management cladding layer surface is not flat, the follow-up machining a large amount of the junction of the alloy layer and the substrate is prone to defects such as cracks and holes, a great deal of difficulty to the practical application. At present, the laser processing system of fixed assets and the cost of maintaining relatively conventional surfacing and spray coating is more expensive, higher product costs which makes the laser-treated, laser cladding processing on a large scale in the oil field the practical application of one of the main reasons. In summary, laser cladding processing is a rapid solidification technique, which can produce the excellent organization and performance can not be obtained in the equilibrium. Substrate unlimited design coating composition according to the use of performance requirements. The spot matrix distribution of china laser pointer is also very attractive.
Performance of high-alloy steel surface can be prepared on the cheap steel and high strength and the bonding is unmatched by other surface treatment processes, particularly suitable in oilfield corrosion, friction and wear of the working conditions common vulnerability parts of the surface treatment and repair. Although there are still some problems in the application, but with the people of their theoretical and technical research gradually in-depth and tend to improve, I believe will in the near future in the industry dig out of its enormous potential and far-reaching impact. Laser alloying (Laser Surface Alloying, LSA) is a new method of local modification of metal surface processing, laser alloying process belongs to the scope of the material surface modification. The laser of china laser pointer contains 50mW green laser (532nm) and 100mW red laser (650nm).
It is the high-energy laser beam irradiation, the surface of a thin layer of the substrate material need to add alloying elements at the same time rapid melting, mixing and the formation of a thickness of 10 of l000 um of the surface melted layer, the melting layer during solidification to obtain the cooling rate of up to l05-108 ° C / s, equivalent to the cooling rate quench hardening technology can achieve, but also short due to the melting layer of liquid exists in the physical phenomenon of diffusion and surface tension effects, the surface only in the newspaper time (50us-2ms) form with the required depth and chemical composition of the surface alloying layer, rapid melting of the organization of non-equilibrium process allows alloying elements during solidification had reached a high saturation. Controlling interface of china laser pointer is the three-chip interface/XLR.
To form a common alloying method is not readily available compounds, and metastable phase and the new phase, but also in the surface alloys with special properties together elements consumption low Qian case. This alloy layer due to some performance above the substrate, so we reached the table while the purpose of the modification. The most prominent feature of the laser surface alloying process is only in the melting zone and a small impact area occurred changes in the composition, microstructure and properties, the thermal effect of the matrix can be reduced to a minimum, the deformation caused minimal. That it can meet the surface of the need to use, without sacrificing the overall characteristics of the structure. The alloying elements are completely dissolved in the surface. china laser pointer will be safer for the human body and the environment.
Obtained by thin-layer composition is very uniform, are not sensitive to the tendency to cracking and spalling. Its another distinguishing feature is the laser power density is high (104-108 W/cm2,). The melting depth is controlled by the laser power and exposure time to the metal surface of the substrate can form a depth of 0.01 ~ 2mm alloy layer. Due to the high cooling rate, so segregation is extremely small, and refine the grain size effect is remarkable. Ordinary surface laser alloying technology enables cheap useful wear, corrosion resistance, heat resistance and other properties, and can replace expensive overall alloy from the surface; and to improve the wear resistance of stainless steel, aluminum and titanium alloys. The green laser pointer is design based on the principle of safety and reliability.
Performance of high-alloy steel surface can be prepared on the cheap steel and high strength and the bonding is unmatched by other surface treatment processes, particularly suitable in oilfield corrosion, friction and wear of the working conditions common vulnerability parts of the surface treatment and repair. Although there are still some problems in the application, but with the people of their theoretical and technical research gradually in-depth and tend to improve, I believe will in the near future in the industry dig out of its enormous potential and far-reaching impact. Laser alloying (Laser Surface Alloying, LSA) is a new method of local modification of metal surface processing, laser alloying process belongs to the scope of the material surface modification. The laser of china laser pointer contains 50mW green laser (532nm) and 100mW red laser (650nm).
It is the high-energy laser beam irradiation, the surface of a thin layer of the substrate material need to add alloying elements at the same time rapid melting, mixing and the formation of a thickness of 10 of l000 um of the surface melted layer, the melting layer during solidification to obtain the cooling rate of up to l05-108 ° C / s, equivalent to the cooling rate quench hardening technology can achieve, but also short due to the melting layer of liquid exists in the physical phenomenon of diffusion and surface tension effects, the surface only in the newspaper time (50us-2ms) form with the required depth and chemical composition of the surface alloying layer, rapid melting of the organization of non-equilibrium process allows alloying elements during solidification had reached a high saturation. Controlling interface of china laser pointer is the three-chip interface/XLR.
To form a common alloying method is not readily available compounds, and metastable phase and the new phase, but also in the surface alloys with special properties together elements consumption low Qian case. This alloy layer due to some performance above the substrate, so we reached the table while the purpose of the modification. The most prominent feature of the laser surface alloying process is only in the melting zone and a small impact area occurred changes in the composition, microstructure and properties, the thermal effect of the matrix can be reduced to a minimum, the deformation caused minimal. That it can meet the surface of the need to use, without sacrificing the overall characteristics of the structure. The alloying elements are completely dissolved in the surface. china laser pointer will be safer for the human body and the environment.
Obtained by thin-layer composition is very uniform, are not sensitive to the tendency to cracking and spalling. Its another distinguishing feature is the laser power density is high (104-108 W/cm2,). The melting depth is controlled by the laser power and exposure time to the metal surface of the substrate can form a depth of 0.01 ~ 2mm alloy layer. Due to the high cooling rate, so segregation is extremely small, and refine the grain size effect is remarkable. Ordinary surface laser alloying technology enables cheap useful wear, corrosion resistance, heat resistance and other properties, and can replace expensive overall alloy from the surface; and to improve the wear resistance of stainless steel, aluminum and titanium alloys. The green laser pointer is design based on the principle of safety and reliability.
The spot position and brightness of china laser pointer distribute evenly
According to the theory of the solid phase transformation and chemical bonds in the coating to add some element of cable, ceramics and substrates to produce the chemical reaction to form covalently bound to improve the interface strength at the interface. , Depending on the alloy modes of supply, laser cladding can be divided into two types: synchronization alloy and alloy front method. Substrate cladding surface preparation. In order to remove dirt and corrosion of the substrate cladding parts. Preheat and post heat treatment. Its role is to prevent the martensitic transformation of the heat affected zone of the substrate resulting in the cracks of cladding layer, therefore, appropriate to reduce the temperature difference between the substrate and cladding layer to reduce the cladding layers expand and contract to produce the stress increase melting layer of liquid retention time can be beneficial to exclude air bubbles within the melt layer and slag material. The single projection china laser pointer will be shown.
The actual production process are often used in warm-up method to eliminate or reduce the crack of the cladding layer, especially for easy-to-cracking of the substrate must be preheated in the cladding layer cracking tendency is smaller, and sometimes also used to preheat reduce the melting overburden stress and improve the cladding quality. Preheated flame gun heating, induction heating and stove heating, the first two heating preheating the substrate surface within a certain range, and can be carried out simultaneously preheating and laser cladding. Laser cladding co-layer hardness decreased due to the warm-up reduces the surface of the cooling rate, it may cause, but for some alloys (Ni alloy, etc.), you can restore its hardness by subsequent heat treatment. The quintuple projectionchina laser pointer will also included.
After heat treatment after laser cladding is a thermal insulation can be used to eliminate or reduce the residual stress of the cladding layer; to eliminate or reduce harmful cladding heat affected, and can prevent the quenching of the heat-affected zone Markov phase transition. After the heat treatment usually stove heat insulation after adequate insulation, with furnace cooling or falls below a certain temperature baked air cooling, including the purpose of heating temperature, holding time and cooling must be apparent after heat treatment, the substrate and cladding layer characteristics. Laser cladding process. Because the laser cladding process is a complex physical, chemical and metallurgical process, the crack is also a particularly sensitive process, the crack phenomenon and behavior involves a factor of the laser cladding. Nowadays, the enterprise which is good in manufacturing china laser pointer is mainly in Shenzhen and Wuhan.
A variety of factors including the substrate, alloy powder, the front way, the precoat thickness, powder feeding rate, laser power, scan rate, spot size, etc. and the impact of inter-Practice has proved that: a reasonable selection and the best process parameters with ensure an important factor in the quality of the cladding layer. In the laser cladding of single-channel, multi-channel, single, multi-storey and other forms. The single-channel single-layer technology is the most basic technology, multi-channel and multi-layer cladding process occurs before the process of tempering softening and cracks;, width and thickness can be achieved through multi-channel take-sector and multi-layer overlay increase. The microstructure characteristics of the laser cladding layer. The influence of process parameters on the size and organization of cladding layer. The spot position and brightness of china laser pointer distribute evenly.
Laser cladding in conventional power density (103-l06W/cm2), 0.1-1s to complete the cladding process, such a high heating and cooling rates Cladding has many features. In general, the organizational structure of the laser cladding layer is divided into three regions: the melting zone, transition zone and heat affected zone, there are some differences between the actual shape of different alloy composition and process conditions. The energy distribution of laser processing equipment, uniformity and stability as well as ancillary devices have not yet reached the level of industrial production applications. The laser cladding processing requirements of the stability of the high-power laser beam, uniformly distributed on the spot of the energy demanding. The display effect of firework of green laser pointer can be realized.
The actual production process are often used in warm-up method to eliminate or reduce the crack of the cladding layer, especially for easy-to-cracking of the substrate must be preheated in the cladding layer cracking tendency is smaller, and sometimes also used to preheat reduce the melting overburden stress and improve the cladding quality. Preheated flame gun heating, induction heating and stove heating, the first two heating preheating the substrate surface within a certain range, and can be carried out simultaneously preheating and laser cladding. Laser cladding co-layer hardness decreased due to the warm-up reduces the surface of the cooling rate, it may cause, but for some alloys (Ni alloy, etc.), you can restore its hardness by subsequent heat treatment. The quintuple projectionchina laser pointer will also included.
After heat treatment after laser cladding is a thermal insulation can be used to eliminate or reduce the residual stress of the cladding layer; to eliminate or reduce harmful cladding heat affected, and can prevent the quenching of the heat-affected zone Markov phase transition. After the heat treatment usually stove heat insulation after adequate insulation, with furnace cooling or falls below a certain temperature baked air cooling, including the purpose of heating temperature, holding time and cooling must be apparent after heat treatment, the substrate and cladding layer characteristics. Laser cladding process. Because the laser cladding process is a complex physical, chemical and metallurgical process, the crack is also a particularly sensitive process, the crack phenomenon and behavior involves a factor of the laser cladding. Nowadays, the enterprise which is good in manufacturing china laser pointer is mainly in Shenzhen and Wuhan.
A variety of factors including the substrate, alloy powder, the front way, the precoat thickness, powder feeding rate, laser power, scan rate, spot size, etc. and the impact of inter-Practice has proved that: a reasonable selection and the best process parameters with ensure an important factor in the quality of the cladding layer. In the laser cladding of single-channel, multi-channel, single, multi-storey and other forms. The single-channel single-layer technology is the most basic technology, multi-channel and multi-layer cladding process occurs before the process of tempering softening and cracks;, width and thickness can be achieved through multi-channel take-sector and multi-layer overlay increase. The microstructure characteristics of the laser cladding layer. The influence of process parameters on the size and organization of cladding layer. The spot position and brightness of china laser pointer distribute evenly.
Laser cladding in conventional power density (103-l06W/cm2), 0.1-1s to complete the cladding process, such a high heating and cooling rates Cladding has many features. In general, the organizational structure of the laser cladding layer is divided into three regions: the melting zone, transition zone and heat affected zone, there are some differences between the actual shape of different alloy composition and process conditions. The energy distribution of laser processing equipment, uniformity and stability as well as ancillary devices have not yet reached the level of industrial production applications. The laser cladding processing requirements of the stability of the high-power laser beam, uniformly distributed on the spot of the energy demanding. The display effect of firework of green laser pointer can be realized.
Monday, February 20, 2012
The technology adopted by china laser pointer is more mature
The correct method of installation accessories. Data lines: parallel port connection to computer (two rows of fine needle-shaped), the other end to connect the machine output (in the right side of the machine front). Pump: the pump outlet received the machine aqueduct (length catheter), and then pump into the water (pump water work, short catheter water to form a loop cycle), plug in the pump power in front of the machine work, so that The water to be recycled in order to reduce the temperature of the laser tube. Exhaust: exhaust fan inserted in the exhaust port of the machine at the other end on the outside in order to discharge the flue. What other difference do red laser beam and green laser beam ofchina laser pointerhave besides the color?
CD-ROM: to install engraving machine typesetting software. Dongle: the use of software encryption to prevent malicious outsiders operation, no dongle, the software can not run the equipment plugged into the computer's USB interface software. Instructions: machine installation instructions and software installation instructions in two parts. Before you start the machine for the first time, you should first check the ground wire is grounded, the water to be recycled, power cable, data cable is connected. Press the power switch to turn the machine on, the first current adjustment: press the "test current" button, hold down the state. The technology adopted by china laser pointer is more mature.
Adjust the "current regulation" button, the current in the proper position, release the test switch button, this way, the operating current of the machine is adjusted, under normal circumstances, the operating current in the 6-10 mA Depending on the chapter material, can be appropriately adjust the current size, the greater the current, the stronger the laser, the notch is about deep. Install the software: see the software installation instructions. Fang Zhang positioning: to see the software installation instructions or software help. Laser engraved chapter machine test. Chapter material on the fixture, so that the carved surface of the chapter material and plywood on the plane in a horizontal line, in order to seal to achieve the best results, wet paper, you can put one above the chapter material to cover the chapter material, in order to avoid the current is too large burn the chapter material, and then use the software layout engraved chapter. The red laser beam and green laser beam of the china laser pointer are also different in the power and energy consumption.
As long as you operate the equipment in accordance with the above steps that your machine will be able to quickly put into the production of them. 12 strokes of the ergonomics of the laser engraving machine to the limit. If you think laser engraving machine has yet to play to its maximum effectiveness, if you want to own laser engraving machine is more value for money, then carefully study the following 12 strokes, which will let you learn how to better The use of laser engraving machine laser power, the machine bed must have a good grounding protection, ground application of less than 4Ω dedicated ground. The necessity of lies. Can guarantee the normal work of the laser power to extend the laser tube life, to prevent outside interference cause the machine to beat, to prevent high-pressure discharge accidentally cause circuit damage. Good ground, be sure to be sure. The higher the power of china laser pointer is, the brighter the laser emitted by the laser pointer will be.
With tap water circulating pump, water flow must be maintained. The cooling water is taken away by the laser tube heat generated, the higher the temperature, the lower the light output power (15-20 ° C water temperature is better); without water when the laser cavity heat to cause the end of a pipe burst, or even damage to the laser power supply. So at any time to check whether the cooling water flow is necessary. When the pipes have a hard folding (bending die) or off, as well as pump failure must be repaired in time to avoid the power down and even cause equipment damage. Cleaning and maintenance, good ventilation, ready to wipe. If the red laser beam and green laser beam of green laser pointer have the same power, the consumed current will be still different.
CD-ROM: to install engraving machine typesetting software. Dongle: the use of software encryption to prevent malicious outsiders operation, no dongle, the software can not run the equipment plugged into the computer's USB interface software. Instructions: machine installation instructions and software installation instructions in two parts. Before you start the machine for the first time, you should first check the ground wire is grounded, the water to be recycled, power cable, data cable is connected. Press the power switch to turn the machine on, the first current adjustment: press the "test current" button, hold down the state. The technology adopted by china laser pointer is more mature.
Adjust the "current regulation" button, the current in the proper position, release the test switch button, this way, the operating current of the machine is adjusted, under normal circumstances, the operating current in the 6-10 mA Depending on the chapter material, can be appropriately adjust the current size, the greater the current, the stronger the laser, the notch is about deep. Install the software: see the software installation instructions. Fang Zhang positioning: to see the software installation instructions or software help. Laser engraved chapter machine test. Chapter material on the fixture, so that the carved surface of the chapter material and plywood on the plane in a horizontal line, in order to seal to achieve the best results, wet paper, you can put one above the chapter material to cover the chapter material, in order to avoid the current is too large burn the chapter material, and then use the software layout engraved chapter. The red laser beam and green laser beam of the china laser pointer are also different in the power and energy consumption.
As long as you operate the equipment in accordance with the above steps that your machine will be able to quickly put into the production of them. 12 strokes of the ergonomics of the laser engraving machine to the limit. If you think laser engraving machine has yet to play to its maximum effectiveness, if you want to own laser engraving machine is more value for money, then carefully study the following 12 strokes, which will let you learn how to better The use of laser engraving machine laser power, the machine bed must have a good grounding protection, ground application of less than 4Ω dedicated ground. The necessity of lies. Can guarantee the normal work of the laser power to extend the laser tube life, to prevent outside interference cause the machine to beat, to prevent high-pressure discharge accidentally cause circuit damage. Good ground, be sure to be sure. The higher the power of china laser pointer is, the brighter the laser emitted by the laser pointer will be.
With tap water circulating pump, water flow must be maintained. The cooling water is taken away by the laser tube heat generated, the higher the temperature, the lower the light output power (15-20 ° C water temperature is better); without water when the laser cavity heat to cause the end of a pipe burst, or even damage to the laser power supply. So at any time to check whether the cooling water flow is necessary. When the pipes have a hard folding (bending die) or off, as well as pump failure must be repaired in time to avoid the power down and even cause equipment damage. Cleaning and maintenance, good ventilation, ready to wipe. If the red laser beam and green laser beam of green laser pointer have the same power, the consumed current will be still different.
The china laser pointer is more expensive
Body to avoid entering the range of the beam and its reflection. Remove unnecessary reflective materials (such as: metal material) next to the objects of their work. Processing object next to the best for the appropriate cover. The laser body to avoid the erection of the eye height of just people. Note the ventilation or exhaust position of the laser processing environment. Engraving machine to select the five points. The choice of format size customers should be based on business needs and financial situation, to choose your own engraving machine the size of the model and its power. The spindle motor is a key component of computer engraving machine, its performance has a critical influence on the overall performance of the computer engraving machine. Therefore, thechina laser pointer is more expensive.
Machining spindle is usually divided into two categories: precision machining spindle, and power cut off the spindle. Precision machining spindle is characterized by low noise, high speed, height, suitable for processing, in particular fine workpiece, such as seals, nameplates, badges and other gifts. Such motors are usually for high-speed frequency conversion motor, less power, in 250W following. The drawback is less able to cut thick materials, are not cut thicker materials. Cut off the high-power spindle, mainly used to cut, carved high-power, power, cutting ability, especially for cutting Yu, three three-dimensional character, of course, can also create badges, nameplates, seals. The laser module utilized by thechina laser pointer is very advanced.
Such high-power spindle motor characteristics generally can be divided into brushless frequency high-speed AC motor and brush AC motor, the main difference is: high speed brushless frequency conversion motor, variable speed range of 70.06 million rev / min, and the general brush exchange maximum speed of the motor is not ultra-24000 rev / min: high precision brushless frequency conversion motor rotation, wear, low noise, make noise significantly lower than the brush AC motor; brushless frequency conversion motor stall characteristics, due to the inverter special limiting circuit, short-term stall not burned the motor control mode and speed options: control methods can be divided into three: all the computing work to complete computer-controlled engraving machine computer is at work other layout work, such waste may be solid computer misuse. Here will introduce the difference between the industrial level and toy level of china laser pointer.
MCU control, the controller of this layout, but you can not turn off the computer engraving machine work at the same time, 7 a computer which is actually equivalent to savings and reduce the waste caused by the misuse of the computer. USB port to transfer data, the system has a memory capacity of more than 32M. After saving the file, immediately completely out of the computer, turn off the computer or other typesetting. In this way greatly improves the efficiency of the engraving machine. Large format engraving machine must be widened imports square rail, its load capacity and accuracy to maintain the capacity is more than 30 times the cycle guide to ensure a high-quality high-speed engraving machine. The toy level ofchina laser pointer has the relatively lower requirements.
The small-format machine engraving 1mm Chinese characters, or large format engraving machine engraved 1.5mm small print under a magnifying glass to be seen very clear. Laser engraved on the correct installation and commissioning of the machine. A lot of people in the beginning of the use of laser engraving machine, laser engraving machine can be assembled, not to mention the debugging, to address this issue, the laser light Yue experts specially the author reminds the laser engraving machine users, before the use of laser engraving machine, be sure to first machine installation and debugging good. Here is the installation and commissioning. The difference of green laser pointer will be showed in such various indices as the using temperature, using lifetime, reliability and safety and so on.
Machining spindle is usually divided into two categories: precision machining spindle, and power cut off the spindle. Precision machining spindle is characterized by low noise, high speed, height, suitable for processing, in particular fine workpiece, such as seals, nameplates, badges and other gifts. Such motors are usually for high-speed frequency conversion motor, less power, in 250W following. The drawback is less able to cut thick materials, are not cut thicker materials. Cut off the high-power spindle, mainly used to cut, carved high-power, power, cutting ability, especially for cutting Yu, three three-dimensional character, of course, can also create badges, nameplates, seals. The laser module utilized by thechina laser pointer is very advanced.
Such high-power spindle motor characteristics generally can be divided into brushless frequency high-speed AC motor and brush AC motor, the main difference is: high speed brushless frequency conversion motor, variable speed range of 70.06 million rev / min, and the general brush exchange maximum speed of the motor is not ultra-24000 rev / min: high precision brushless frequency conversion motor rotation, wear, low noise, make noise significantly lower than the brush AC motor; brushless frequency conversion motor stall characteristics, due to the inverter special limiting circuit, short-term stall not burned the motor control mode and speed options: control methods can be divided into three: all the computing work to complete computer-controlled engraving machine computer is at work other layout work, such waste may be solid computer misuse. Here will introduce the difference between the industrial level and toy level of china laser pointer.
MCU control, the controller of this layout, but you can not turn off the computer engraving machine work at the same time, 7 a computer which is actually equivalent to savings and reduce the waste caused by the misuse of the computer. USB port to transfer data, the system has a memory capacity of more than 32M. After saving the file, immediately completely out of the computer, turn off the computer or other typesetting. In this way greatly improves the efficiency of the engraving machine. Large format engraving machine must be widened imports square rail, its load capacity and accuracy to maintain the capacity is more than 30 times the cycle guide to ensure a high-quality high-speed engraving machine. The toy level ofchina laser pointer has the relatively lower requirements.
The small-format machine engraving 1mm Chinese characters, or large format engraving machine engraved 1.5mm small print under a magnifying glass to be seen very clear. Laser engraved on the correct installation and commissioning of the machine. A lot of people in the beginning of the use of laser engraving machine, laser engraving machine can be assembled, not to mention the debugging, to address this issue, the laser light Yue experts specially the author reminds the laser engraving machine users, before the use of laser engraving machine, be sure to first machine installation and debugging good. Here is the installation and commissioning. The difference of green laser pointer will be showed in such various indices as the using temperature, using lifetime, reliability and safety and so on.
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