High brightness KW-class direct diode laser

被引:2
|
作者
Xu, Dan [1 ]
Guo, Zhijie [1 ]
Ma, Di [1 ]
Zhang, Tujia [1 ]
Guo, Weirong [1 ]
Wang, Baohua [1 ]
Xu, Ray [1 ]
Chen, Xiaohua [1 ]
机构
[1] BWT Beijing Ltd, 4A Hangfeng Rd,Fengtai High Tech Pk, Beijing 100070, Peoples R China
来源
关键词
Diode laser; spatial beam combination; margin arrangement; fiber coupling;
D O I
10.1117/12.2289281
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
With certain emitter beam quality and BPP allowed by fiber, we have derived a spatial beam combination structure that approaches the BPP limit of the fiber. Using the spatial beam combination structure and polarization beam combination, BWT has achieved 1.1KW output from a fiber (one end coated) with NA 0.22 and core diameter of 200 mu m. The electro-optical efficiency is nearly 47%. Multiple emitters with wavelength of 976nm are packaged in a module with size of 600 x 350 x 80 mm(3).
引用
收藏
页数:6
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