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27 April 2021 kW-level high brightness blue diode laser
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At SPIE 2020 conference, we presented a blue diode laser that provides 200W output from a 200μm core diameter 0.22 NA fiber. Blue laser with high power and high brightness is the best choice for higher efficiency demanded by industrial processing. Based on 7 modules each provides 160W from a 105μm core diameter 0.22 NA fiber (NA 0.15/0.22 power ratio >93%), using fiber beam combining, 1000W output is achieved from a 330μm core diameter 0.22 NA fiber. And the aging test of 160 W unit modules was carried out. 1000W high brightness blue laser source is an ideal choice for processing (welding, 3D printing, etc) of non-ferrous metals, especially copper.
Conference Presentation
© (2021) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiaohua Chen, Delun Ren, Yueting Wu, Dongchen Jin, Yunfeng Duan, Weiwei Song, Jianwu Liu, Dakai Chen, Xuan Yang, Shaowei Xiang, Wei Jiang, Zhendong Cai, Juyun Zhao, Rong Chen, Weirong Guo, Baohua Wang, Chao Lang, and Zhenkun Yu "kW-level high brightness blue diode laser", Proc. SPIE 11668, High-Power Diode Laser Technology XIX, 116680I (27 April 2021);

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