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Optical Engineering

156-W Average power, high repetition rate, nanosecond pulse from a large-mode area fiber amplifier
Author(s): Songtao Du; Xia Liu; Jun Zhou; Yuhao Xue; Bing He; Jingxing Dong; Yunrong Wei; Qihong Lou; Zhijun Yuan; Wei Wang
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Paper 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 My2=2.66), although no special transverse-mode-controlling techniques were adopted.

Paper Details

Date Published: 1 February 2010
PDF: 3 pages
Opt. Eng. 49(2) 024201 doi: 10.1117/1.3314307
Published in: Optical Engineering Volume 49, Issue 2
Show Author Affiliations
Songtao Du, Shanghai Institute of Optics and Fine Mechanics (China)
Xia Liu, Shanghai Institute of Optics and Fine Mechanics (China)
Jun Zhou, Shanghai Institute of Optics and Fine Mechanics (China)
Yuhao Xue, Shanghai Institute of Optics and Fine Mechanics (China)
Bing He, Shanghai Institute of Optics and Fine Mechanics (China)
Jingxing Dong, Shanghai Institute of Optics and Fine Mechanics (China)
Yunrong Wei, Shanghai Institute of Optics and Fine Mechanics (China)
Qihong Lou, Shanghai Institute of Optics and Fine Mechanics (China)
Zhijun Yuan, Shanghai Institute of Optics and Fine Mechanics (China)
Wei Wang, Shanghai Institute of Optics and Fine Mechanics (China)


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