High-Efficiency Spectral-Beam-Combined 930nm Diode Laser Source
Yi-Chen Xu1,2,3 , Zhi-Min Wang1,2** , Feng-Feng Zhang1,2 , Rui-Nan Yang1,2,3 , Xu-Chao Liu1,2,3 , Yue Song1,2,3 , Yong Bo1,2 , Qin-Jun Peng1,2 , Zu-Yan Xu1,2
1 Key Laboratory of Solid-state Laser, Technical Institute of Physics and Chemistry (TIPC), Chinese Academy of Sciences, Beijing 1001902 Key Laboratory of Functional Crystal and Laser Technology, TIPC, Chinese Academy of Sciences, Beijing 1001903 University of Chinese Academy of Sciences, Beijing 100190
Abstract :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$\cdot$mrad.
收稿日期: 2020-02-27
出版日期: 2020-04-25
:
42.55.Px
(Semiconductor lasers; laser diodes)
42.60.Da
(Resonators, cavities, amplifiers, arrays, and rings)
42.60.Jf
(Beam characteristics: profile, intensity, and power; spatial pattern formation)
引用本文:
. [J]. 中国物理快报, 2020, 37(5): 54203-.
Yi-Chen Xu, Zhi-Min Wang, Feng-Feng Zhang, Rui-Nan Yang, Xu-Chao Liu, Yue Song, Yong Bo, Qin-Jun Peng, Zu-Yan Xu. High-Efficiency Spectral-Beam-Combined 930nm Diode Laser Source. Chin. Phys. Lett., 2020, 37(5): 54203-.
链接本文:
https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/37/5/054203
或
https://cpl.iphy.ac.cn/CN/Y2020/V37/I5/54203
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