High-Efficiency Spectral-Beam-Combined 930 nm Diode Laser Source  

作　　者：Chen Xu Zhi-Min Wang Feng-Feng Zhang Rui-Nan Yang Xu-Chao Liu Yue Song Yong Bo Qin-Jun Peng Zu-Yan Xu 徐祎辰;王志敏;张丰丰;杨睿楠;刘旭超;宋越;薄勇;彭钦军;许祖彦(Key Laboratory of Solid-state Laser,Technical Institute of Physics and Chemistry(TIPC),Chinese Academy of Sciences,Beijing 100190;Key Laboratory of Functional Crystal and Laser Technology,TIPC,Chinese Academy of Sciences,Beiing 100190;University of Chinese Academy of Sciences,Bejing 100190)

机构地区：[1]Key Laboratory of Solid-state Laser,Technical Institute of Plbysics and Chermistry(TIPC),Chinese Academy of Sciences,Beijing 100190 [2]Key Laboratory of Functional Crystal and Laser Technology,TIPC,Chinese Academy of Sciences,Beiing 100190 [3]University of Chinese Academy of Sciences,Bejing 100190

出　　处：《Chinese Physics Letters》2020年第5期55-58,共4页中国物理快报（英文版）

基　　金：National Natural Science Foundation of China under Grant No.61535013。

摘　　要：Spectral beam combining is an effective way to achieve high-brightness direct diode laser output.We present an experimental study on spectral beam combining with external cavity based on transmission grating.Using a series of cylindrical transform lenses with different focal lengths,spectral beaming combining efficiency is greatly improved,and the results of wavelength intervals are consistent with the theoretical calculations.With the injection current of 90 A,a 75.1 W cw 930 nm output power with wavelength span of 18.6 nm and spectral beam combining efficiency of 92.7%is achieved,the beam parameter product is 5.77 mm·mrad.

关 键 词：Efficiency BEAM SPECTRAL 

分 类 号：TN248[电子电信—物理电子学]