156-W Average power, high repetition rate, nanosecond pulse from a large-mode area fiber amplifier

Songtao Du; Xia Liu; Jun Zhou; Yuhao Xue; Bing He; Jingxing Dong; Yunrong Wei; Qihong Lou; Zhijun Yuan; Wei Wang

doi:10.1117/1.3314307

1 February 2010 156-W Average power, high repetition rate, nanosecond pulse from a large-mode area fiber amplifier

Songtao Du, Xia Liu, Jun Zhou, Yuhao Xue, Bing He, Jingxing Dong, Yunrong Wei, Qihong Lou, Zhijun Yuan, Wei Wang

Author Affiliations +

Optical Engineering, Vol. 49, Issue 2, 024201 (February 2010). https://doi.org/10.1117/1.3314307

Abstract

A master-oscillator fiber power amplifier system with a 4.5-m-long Yb³⁺-doped homemade large-mode-area double-clad fiber is reported. Up to 156 W average power of 1064 nm amplified pulse, corresponding to a slope efficiency of 64.9%, has been demonstrated. The amplified pulse possesses a pulse duration of 24 ns and a repetition rate of 50 kHz and demonstrates a good beam quality (M=_x².81 and M_y²=2.66), although no special transverse-mode-controlling techniques were adopted.

©(2010) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Songtao Du, Xia Liu, Jun Zhou, Yuhao Xue, Bing He, Jingxing Dong, Yunrong Wei, Qihong Lou, Zhijun Yuan, and Wei Wang "156-W Average power, high repetition rate, nanosecond pulse from a large-mode area fiber amplifier," Optical Engineering 49(2), 024201 (1 February 2010). https://doi.org/10.1117/1.3314307

Published: 1 February 2010

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