The threshold reduction of SRS in deuterium by multi-pass configuration

被引：13

作者：

Liu, Dong ^{[1
,2
]}

Cai, Xianglong ^{[1
]}

Li, Zhonghui ^{[1
,3
]}

Xia, Xusheng ^{[1
,2
]}

Zhou, Dongjian ^{[1
,2
]}

Li, Gang ^{[1
]}

Cai, Hongxing ^{[3
]}

Guo, Jingwei ^{[1
]}

Jin, Yuqi ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Chem Lasers, Dalian 116023, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Changchun Univ Sci & Technol, Sch Sci, Changchun 130022, Jilin, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2016年 / 379卷

基金：

中国国家自然科学基金;

关键词：

Stimulated Raman scattering (SRS); Deuterium; First Stokes (S1); Second Stokes (S2); Threshold; Conversion efficiency; STIMULATED RAMAN-SCATTERING; LASER; GENERATION; LIGHT; H-2;

D O I：

10.1016/j.optcom.2016.05.040

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Stimulated Raman scattering (SRS) in compressed D-2 gas pumped with nanosecond laser radiation at 1064 nm in a multi-pass configuration has been studied. The influence of D2 pressure and pass number on Raman thresholds and the conversion efficiencies for the first Stokes (S1) and second Stokes (S2) components has been investigated. It is shown that multi-pass configuration is very efficient for the substantial reducing of SRS thresholds for both S1 and S2 components and increasing their conversion efficiencies. In our work, the S1 threshold is approximately one order of magnitude lower than that reported in previous studies; the S1 conversion efficiency reached (56.1 perpendicular to 4.4)% at pump energy of 33 mJ. The lowest S2 threshold in the experiment is 15 mJ (with a peak power of 3 MW), and the S2 conversion efficiency reaches (32.9 +/- 3.8)%. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：36 / 40

页数：5

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