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激光等离子体相互作用的受激拉曼散射饱和效应
  • ISSN号：1000-3290
  • 期刊名称：《物理学报》
  • 时间：0
  • 分类：O53[理学—等离子体物理;理学—物理] TN253[电子电信—物理电子学]
  • 作者机构：[1]中国科学院物理研究所光物理重点实验室,北京100190
  • 相关基金：国家自然科学基金（批准号：60678007,10774184,60621063）和国家重点基础研究发展计划（973）项目（批准号：2007CB815101）资助的课题
作者： 张蕾[1], 董全力[1], 赵静[1], 王首钧[1], 盛政明[1], 何民卿[1], 张杰[1]
关键词： 受激拉曼散射, 饱和, Langmuir波衰变不稳定性(LDI), 电子俘获, stimulated Raman scattering,saturation,Langmuir wave decay instability（LDI）,electron trapping
中文摘要：

在激光等离子体相互作用过程中,受激拉曼散射（SRS）会通过Langmuir波衰减不稳定性（LDI）和电子俘获两种机理饱和.文章给出均匀一维等离子体和低强度非相对论激光作用中,LDI和电子俘获两种机理下的SRS饱和时间的解析表达式.SRS饱和时间与入射激光强度,电子密度,电子温度,初始电子密度微扰等参数有关.解析理论计算得到了与模拟和实验相符的结果.

英文摘要：

The saturation of stimulated Raman scattering （SRS） through Langmuir decay instability （LDI） and electron trapping in laser-plasma interaction process is studied. Analytical expressions for the saturation time of SRS are obtained for both the LDI and electron trapping schemes in 1-D homogeneous plasma irradiated by unrelativistic laser beams. The simple analytical model agrees well with numerical simulation and experiment in respect of the dependence of the saturation time of SRS on the parameters of lasers and plasmas.

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期刊信息
  • 《物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京603信箱(中国科学院物理研究所)
  • 邮编：100190
  • 邮箱：apsoffice@iphy.ac.cn
  • 电话：010-82649026
  • 国际标准刊号：ISSN：1000-3290
  • 国内统一刊号：ISSN：11-1958/O4
  • 邮发代号:2-425
  • 获奖情况:
  • 1999年首届国家期刊奖,2000年中科院优秀期刊特等奖,2001年科技期刊最高方阵队双高期刊居中国期刊第12位
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  • 被引量:49876