19 October 2016 Design of 6 kw fiber-coupled system for semiconductor laser
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Proceedings Volume 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration; 101520V (2016) https://doi.org/10.1117/12.2246776
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China
Abstract
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 μm 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/ (cm2·sr).
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Yulong Wu, Yulong Wu, Zhiyong Dong, Zhiyong Dong, Yongqi Chen, Yongqi Chen, Yunfei Qi, Yunfei Qi, Lushuang Ding, Lushuang Ding, Pengfei Zhao, Pengfei Zhao, Yonggang Zou, Yonggang Zou, Li Xu, Li Xu, Xuechun Lin, Xuechun Lin, } "Design of 6 kw fiber-coupled system for semiconductor laser", Proc. SPIE 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration, 101520V (19 October 2016); doi: 10.1117/12.2246776; https://doi.org/10.1117/12.2246776
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