Design of 6 kW Fiber-Coupled System for Semiconductor Laser

被引：1
作者：
Wu, Yulong [1 ,2 ,3 ]
Dong, Zhiyong [2 ]
Chen, Yongqi [1 ,2 ,3 ]
Qi, Yunfei [1 ,2 ,3 ]
Ding, Lushuang [1 ]
Zhao, Pengfei [2 ]
Zou, Yonggang [1 ]
Xu, Li [1 ]
Lin, Xuechun [2 ]
机构：
[1] Changchun Univ Sci & Technol, State Key Lab High Power Semicond Lasers, Changchun 130022, Jilin, Peoples R China
[2] Chinese Acad Sci, Inst Semicond, Lab All Solid State Light Sources, Beijing 100083, Peoples R China
[3] Beijing Engn Technol Res Ctr All Solid State Lase, Beijing 100083, Peoples R China
来源：
HIGH POWER LASERS, HIGH ENERGY LASERS, AND SILICON-BASED PHOTONIC INTEGRATION | 2016年 / 10152卷
关键词：
Laser diode stack; high efficiency; fiber-coupled;
D O I：
10.1117/12.2246776
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we present the design of a 6 kW fiber-coupled laser diode system by using ZEMAX, and power scaling and fiber coupling techniques for high-power laser diode stacks were introduced in detail. Beams emitted from eight laser diode stacks comprised of four 960 W stacks with center wavelength of 938 nm and four 960 W stacks with center wavelength of 976 nm are combined and coupled into a standard fiber with a core diameter of 800 mu m and numerical aperture of 0.22. Simulative result shows that the final power came out of the fiber could reach 6283.9 W, the fiber-coupling efficiency is 87%, and the brightness is 8.2 MW/ (cm(2) sr).
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页数：8
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