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01. Introduction
With the rapid development of semiconductor laser theory, materials, preparation process and packaging technology, as well as the continuous improvement of semiconductor laser power, efficiency, lifetime and other performance parameters, high-power semiconductor lasers, as a direct light source or pump light source, not only have a wide range of applications in the fields of laser processing, laser therapy, laser display, etc., but also have gained important applications in the fields of space optical communication, atmospheric detection, LIDAR, target recognition and so on. High-power semiconductor lasers support the development of many high-tech industries and have been the strategic high point of fierce competition among developed countries.
02. Product Description
Semiconductor laser as the back-end solid-state and fiber laser core pumping source, its emission wavelength with the increase in operating temperature and red shift, the amount of change is usually 0.2-0.3nm / ℃, temperature drift will lead to the LD emission spectral lines and solid gain medium absorption spectral lines mismatch, the absorption coefficient of the gain medium is reduced, the laser’s output efficiency will be sharply reduced, generally will take a complex temperature control system for the The laser is generally cooled by a complex temperature control system, but the temperature control system increases the size and power consumption of the system.
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