Stimulated Raman Backscattering Amplification Using Multiple Pump Pulses

被引：0
|
作者：
Ge Zhe-Yi [1 ]
Yin Yan [1 ]
Chen De-Peng [1 ]
Zhuo Hong-Bin [1 ]
Ma Yan-Yun [1 ]
Shao Fu-Qiu [1 ]
机构：
[1] Natl Univ Def Technol, Dept Phys, Changsha 410073, Hunan, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2012年 / 29卷 / 01期
基金：
中国国家自然科学基金;
关键词：
LASER-PULSE; SCATTERING; COMPRESSION; PLASMA;
D O I：
10.1088/0256-307X/29/1/015201
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A multiple-pump-pulses-stimulated Raman backscattering amplification (m-SRA) scheme is proposed and examined using 1D PIC simulations. Compared with the SRA using a single long pump pulse, higher energy conversion efficiency can be obtained with the same output laser intensity by employing the m-SRA scheme. Unwanted Raman forward scattering can be suppressed in the m-SRA case. Favorable pulse envelope and frequency characteristics of the seed pulse after amplification are obtained by using the m-SRA scheme.
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页数：3
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