The State Key Laboratory of Optics and Applications (Light-Emitting Chamber) high-power semiconductor laser pointer and their application team have made major breakthroughs in the research on key technologies of high-beam quality and high-power vertical cavity surface-emitting lasers, and their research results won the first prize of Jilin Province Technology Invention in 2015 .
Vertical cavity surface emitting lasers are a new generation of semiconductor lasers that have been gradually developed in 2002. Compared with conventional edge emitting semiconductor lasers, they have the advantages of good beam quality and easy two-dimensional integration. They are used in laser communications, laser display, industrial processing, and defense applications. It has a wide range of application prospects in other fields and has become an international frontier research hotspot.
High-power semiconductor lasers and application teams in the light-emitting chamber are supported by multiple projects such as basic national defense scientific research, general assembly support, key national funds, and key science and technology departments of Jilin Province, focusing on the development of high-power, high-beam quality vertical cavity surface emitting lasers (VCSEL) Work, put forward a series of innovations from material structure design, device structure design, etc., in high-power laser research, has been authorized 6 invention patents, published 13 articles, and created a number of international indicators, and achieved the following main results:
New designs such as periodic gain quantum well structures and asymmetric waveguides for VCSELs were proposed, and a single tube pulse power was developed to achieve a record output of 92W; the vertical cavity surface emitting green laser pointer array power reached 123W, which was 13% higher than the international record; integration The output power of the area array module reaches 210W. Related results have been reported in special articles many times.
The developed high-beam quality and high-power VCSEL has been applied in the fields of solid-state laser/fiber laser pumping, fiber amplifier pumping, laser ranging, etc., and has been used by many domestic users for solid-state pumping, laser fuzes, and bioluminescence detection. And other fields have laid a solid foundation for promoting the development of related technologies.