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Selection and use of semiconductor laser power supplyFirst, the basic requirements of semiconductor laser power supply1. Constant current output: short-circuit constant current output, load changes or short-circuit automatic adaptation.2. Output current ripple: ripple, noise and rated output current cannot exceed the maximum current that the laser tube can bear.3. Output voltage ripple: Ripple voltage noise will not damage the laser immediately, but if serious, it will affect the life of the laser.4. Soft start: Slow start current curve, no overshoot.5.

Design of a low power semiconductor laser driving power supplyWith the semiconductor in communication, measurement and control, medical, integrated optics and other technical fields of wide application, its attention is also increasing, for the design of a high precision, reliable performance, economic, durable driving power has become our current most urgent problem, because of the semiconductor laser "delicate" characteristics, the use of power must be in the performance and quality of strict control. Transfer characteristics of semiconductor lasersAt a certain temperature, wh

Application of semiconductor laser power supplySemiconductor laser market leading fiber laser, gas laser, solid laser market for a while, and several other categories of laser market proportion is similar. However, since 2016, the market share of semiconductor laser has expanded rapidly, with an annual growth rate of 170%. In 2015 and 2015, semiconductor laser accounted for 50% of the total market share of laser. The market share of semiconductor laser power supply also expanded at the same time.

Ultrasonic generator common failure and maintenance methodsUltrasonic generator is a kind of equipment that converts the mains power into the corresponding high-frequency alternating current of the transducer to drive the transducer to work. It is an important component of the high-power ultrasonic system. It can also be called electronic box, ultrasonic driving power supply and ultrasonic controller. Although the ultrasonic generator can also be called the ultrasonic drive power, but in fact, the ultrasonic generator is only a part of the ultrasonic drive power.

What are the differences between the QCW, CW and PW working modes of laser source?Laser source is a device that transfers energy from an active medium to an output beam. The working mode of the laser source has an important impact on the performance and application of the laser source. In the operation of laser source, QCW (pulse modulation width), CW (continuous wave) and PW (pulse wave) are common operating modes.

Distinguish different cosmetic optical instruments and their functionsThere are many different optical instruments on the market, which give off different frequency and characteristics of the radiation wave. We can basically tell by its wavelength, energy, output mode, etc.Ultraviolet lightUltraviolet light can be divided into ultraviolet A, ultraviolet B and ultraviolet C according to different wavelengths. Uv A has a wavelength between 315-400 nm.

Why does melt-blown cloth need static electret equipment?01 Why does melt-blown cloth need static electret equipment?Electret electrostatic adsorption is to capture coronavirus droplets through the coulomb force of charged fibers.

Selective photothermal decomposition(Selective Photothermolysis)As early as 1983, a scientific paper published by two scholars, Anderson and Parrish, proposed "selective photothermal decomposition". This is a very important concept for the development and application of laser in dermatology.

How to prolong the service life of laser tube1 laser engraving machine, cutting machine in the use of laser tube, need to pay attention to the best use of pure cooling water, and keep the water temperature below 25℃.2. Summer temperature is high, it is necessary to pay attention to frequently change the cooling water, found that the temperature is too high, need to stop and rest and replace the cooling water; Winter temperature is low, the machine after the completion of the work, need to put the laser tube internal cooling water, to avoid the laser tube is frozen cracked.3.

Why the laser is weak or has no laser outputWhether the focusing mirror is contaminated: Clean the focusing mirror.Whether the focal length of relief engraving machine equipment changes: readjust the focal length.Whether the optical path is offset: Adjust the optical path carefully.Whether the reflector is contaminated or damaged: Clean or replace the reflector.Whether the laser power supply is powered on: Check the power supply loop of the laser power supply to make it normal.Whether the laser tube is damaged or aged: Replace the laser tube.Whether the laser power supply is damaged: Replace t