Output of 100 W 1-mJ narrow linewidth nanosecond-pulsed fiber amplifier based on home-made Yb-doped tapered fiber

Zhimeng Huang; Suyu Wang; Fan Zhang; Pengcheng Geng; Huijia Zhang; Rong Pan; An Zeng; Handing Xia; Zefeng Yao; Xuejun Jiang; Rui Zhang; Bin Feng; Yongqing Yi; Ping Li

doi:10.11884/HPLPB202537.240437

High Power Laser and Particle Beams, Volume. 37, Issue 1, 011001(2025)

Output of 100 W 1-mJ narrow linewidth nanosecond-pulsed fiber amplifier based on home-made Yb-doped tapered fiber

Zhimeng Huang1... Suyu Wang2, Fan Zhang1, Pengcheng Geng2, Huijia Zhang2, Rong Pan2, An Zeng3, Handing Xia1, Zefeng Yao4, Xuejun Jiang1, Rui Zhang1, Bin Feng1, Yongqing Yi2,* and Ping Li1,* |Show fewer author(s)

Author Affiliations

¹Laser Fusion Research Center, CAEP, Mianyang 621900, China

²The 46th Research Institute, China Electronics Technology Group Corporation, Tianjin 300220, China

³Mianyang Sci-Tech City Institute of Photon Technology, Mianyang 621000, China

⁴School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China

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Abstract Get PDF(in Chinese)

Thanks to the advantages of compact, high beam quality and high conversion efficiency, narrow linewidth high pulse energy single mode nanosecond-pulsed fiber amplifier is highly desired in laser detection and industry applications. Recently, an all-fiber amplifier with a home-made Yb-doped tapered fiber produces linearly polarized (12.3 dB PER) 100 ns, 1 mJ pulses with 0.49 nm linewidth, M²=1.49, 100 W of average output power and 10 kW peak power at 1 064 nm. It is believed that the pulse energy, output power and beam quality can be further improved by optimizing the Yb-doped fiber and design of amplifier.

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Keywords

fiber amplifier nanosecond-pulse narrow linewidth Yb-doped tapered fiber

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Zhimeng Huang, Suyu Wang, Fan Zhang, Pengcheng Geng, Huijia Zhang, Rong Pan, An Zeng, Handing Xia, Zefeng Yao, Xuejun Jiang, Rui Zhang, Bin Feng, Yongqing Yi, Ping Li. Output of 100 W 1-mJ narrow linewidth nanosecond-pulsed fiber amplifier based on home-made Yb-doped tapered fiber[J]. High Power Laser and Particle Beams, 2025, 37(1): 011001

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