JOURNAL ARTICLE

基于外腔光谱合束的650 nm半导体激光器

凡正东 Fan Zhengdong彭航宇 Peng Hangyu张军 Zhang Jun王靖博 Wang Jingbo张继业 Zhang Jiye王立军 Wang Lijun

Year: 2023 Journal:   Infrared and Laser Engineering Vol: 52 (11)Pages: 20230198-20230198   Publisher: Shanghai Institute of Optics and Fine Mechanics

Abstract

高功率650~660 nm波段激光器在可见光光电对抗领域具有重要作用,目前该波段光源由固体激光器通过半导体激光器泵浦并倍频输出,输出功率高、光束质量近衍射极限,但转换效率低。半导体激光器的转换效率高,但输出功率低,需要通过增加激光单元的方法提升功率,并通过激光合束的方式提升光束质量。文中提出外腔光谱合束的650 nm波段半导体激光器结构,通过实验验证可实现连续功率为7.3 W、光谱线宽为6.45 nm、电光转换效率为23.4%的650 nm波段激光输出,光束质量为M2X=1.95,M2Y=11.11,接近固体激光器,未来通过增加合束的激光单元数量并结合偏振合束可以获得更高功率的650 nm波段激光。

Keywords:
Materials science

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