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Investigation of stimulated Raman scattering in high-power co-pumping fiber amplifiers
Zheng, Jinkun1,2; Zhao, Wei1; Zhao, Baoyin1; Li, Zhe1; Li, Gang1; Gao, Qi1; Ju, Pei1; Gao, Wei1; She, Shengfei1; Wu, Peng2
作者部门瞬态光学技术国家重点实验室
2018-10
发表期刊LASER PHYSICS
ISSN1054-660X
卷号28期号:10
产权排序1
摘要

The stimulated Raman scattering (SRS) in a multi-kilowatt co-pumping fiber amplifier was investigated. Using 20 m of ytterbium-doped double-cladding fiber in the amplifier stage, an SRS product of 1032.9 nm could be clearly observed when the output laser power was more than 3360 W. By integrating the spectral curve, the ratios of laser power at 1080 nm and SRS to the total output power were 83.95% and 15.17% at the maximum power of 3699 W. In addition, the beam quality began to degenerate abruptly as the four-wave mixing and SRS components appeared. The M-2 factor was measured to be 3.06 at the maximal output power. The mode instability and nonlinear effects might be the main reason for beam quality degradation in high-power fiber amplifier systems.

关键词Stimulated Raman Scattering High Power Fiber Amplifier Beam Quality Master Oscillator Power Amplifier Ytterbium-doped Double-cladding Fiber
DOI10.1088/1555-6611/aad46b
收录类别SCI ; EI
语种英语
WOS研究方向Materials Science ; Physics
WOS记录号WOS:000441034300001
出版者IOP PUBLISHING LTD
EI入藏号20183505760995
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30560
专题瞬态光学技术国家重点实验室
通讯作者Zhao, Wei
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zheng, Jinkun,Zhao, Wei,Zhao, Baoyin,et al. Investigation of stimulated Raman scattering in high-power co-pumping fiber amplifiers[J]. LASER PHYSICS,2018,28(10).
APA Zheng, Jinkun.,Zhao, Wei.,Zhao, Baoyin.,Li, Zhe.,Li, Gang.,...&Wu, Peng.(2018).Investigation of stimulated Raman scattering in high-power co-pumping fiber amplifiers.LASER PHYSICS,28(10).
MLA Zheng, Jinkun,et al."Investigation of stimulated Raman scattering in high-power co-pumping fiber amplifiers".LASER PHYSICS 28.10(2018).
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