20 February 2018 The research on the design and performance of 7×1 pump combiners
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The 7×1 end-pumped pump combiners employing 105/125 μm multimode fibers as pump fibers are investigated. Based on the results of our theoretical analysis, sufficient taper length (TL) and low refractive index (RI) of the capillary have been adopted to fabricate high transmission efficiency combiners. A 7×1 end-pumped pump combiner with an average transmission efficiency of 98.9% and a total return loss of 1.1‰ is fabricated in experiments, which could find its application in high-power fiber laser systems.
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Yang Cao, Yang Cao, Quan Sheng, Quan Sheng, Shijie Fu, Shijie Fu, Haiwei Zhang, Haiwei Zhang, Xiaolei Bai, Xiaolei Bai, Wei Shi, Wei Shi, Jianquan Yao, Jianquan Yao, } "The research on the design and performance of 7×1 pump combiners", Proc. SPIE 10513, Components and Packaging for Laser Systems IV, 105131M (20 February 2018); doi: 10.1117/12.2291219; https://doi.org/10.1117/12.2291219


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