A 168-W high-power single-frequency amplifier in an all-fiber configuration

doi:10.1088/1674-1056/21/3/034207

中国物理B ›› 2012, Vol. 21 ›› Issue (3): 34207-034207.doi: 10.1088/1674-1056/21/3/034207

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

肖虎,董小林,周朴,许晓军,赵国民

收稿日期:2011-05-29 修回日期:2011-08-22 出版日期:2012-02-15 发布日期:2012-02-15
通讯作者: 周朴,zhoupu203@163.com E-mail:zhoupu203@163.com

A 168-W high-power single-frequency amplifier in an all-fiber configuration

Xiao Hu(肖虎), Dong Xiao-Lin(董小林), Zhou Pu(周朴)^†, Xu Xiao-Jun(许晓军), and Zhao Guo-Min(赵国民)

College of Opticelectric Science and Engineering, National University of Defense Technology, Changsha 410073, China

Received:2011-05-29 Revised:2011-08-22 Online:2012-02-15 Published:2012-02-15
Contact: Zhou Pu,zhoupu203@163.com E-mail:zhoupu203@163.com

摘要/Abstract

Abstract: We present a high-power, single-frequency, narrow linewidth fiber amplifier based on master oscillator power amplification chains in an all-fiber configuration. The effect of the delivery fiber on the maximum output power is studied. A home-made 1064-nm seed laser with a 20-kHz linewidth is boosted to 129 W, and limited by stimulated Brillouin scattering (SBS) when the delivery fiber is 1.2 m long. By shortening the delivery fiber length to 0.7 m, the SBS threshold is increased efficiently and the maximum output power rises to 168 W with an 82.9% power conversion efficiency. The experimental results indicate that the output power can be further raised by shortening the delivery fiber length and increasing the pump power.

Key words: fiber amplifier, single frequency, all-fiber, stimulated Brillouin scattering

中图分类号: (Fiber lasers)

42.55.Wd

42.60.Da (Resonators, cavities, amplifiers, arrays, and rings) 42.60.By (Design of specific laser systems) 42.60.Lh (Efficiency, stability, gain, and other operational parameters)

肖虎,董小林,周朴,许晓军,赵国民. [J]. 中国物理B, 2012, 21(3): 34207-034207.

Xiao Hu(肖虎), Dong Xiao-Lin(董小林), Zhou Pu(周朴), Xu Xiao-Jun(许晓军), and Zhao Guo-Min(赵国民) . A 168-W high-power single-frequency amplifier in an all-fiber configuration[J]. Chin. Phys. B, 2012, 21(3): 34207-034207.

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A 168-W high-power single-frequency amplifier in an all-fiber configuration

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