0.6 mJ single-frequency pulsed fiber amplifier based on hybrid active fiber

Xun Deng; Chaodu Shi; Hao Tian; Shijie Fu; Quan Sheng; Zheng Shi; Peiheng Jiang; Wei Shi; Jianquan Yao

doi:10.1117/12.2649788

8 March 2023 0.6 mJ single-frequency pulsed fiber amplifier based on hybrid active fiber

Xun Deng, Chaodu Shi, Hao Tian, Shijie Fu, Quan Sheng, Zheng Shi, Peiheng Jiang, Wei Shi, Jianquan Yao

Proceedings Volume 12400, Fiber Lasers XX: Technology and Systems; 124001A (2023) https://doi.org/10.1117/12.2649788
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

We report a single-frequency pulsed Yb-doped fiber master-oscillator-power-amplifier at 1064nm producing output with pulse energy of 0.601 mJ for a pulse width of 95 ns at a pulse repetition frequency of 5 kHz. The Hybrid active fiber structure consisted with a piece of heavily Yb-doped 50/400 μm phosphosilicate fiber and a piece of 35/250 μm silica fiber with moderate Yb³⁺ doping concentration was employed to mitigate SBS effect. Besides, by pre-shaping the seed pulses, SPM-induced spectral linewidth broadening can be suppressed during power scaling.

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Citation Download Citation

Xun Deng, Chaodu Shi, Hao Tian, Shijie Fu, Quan Sheng, Zheng Shi, Peiheng Jiang, Wei Shi, and Jianquan Yao "0.6 mJ single-frequency pulsed fiber amplifier based on hybrid active fiber", Proc. SPIE 12400, Fiber Lasers XX: Technology and Systems, 124001A (8 March 2023); https://doi.org/10.1117/12.2649788

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