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激光尾波场加速器中反向注入激光脉冲参数对电子注入的影响
  • ISSN号：0023-074X
  • 期刊名称：科学通报
  • 时间：0
  • 页码：1370-1374
  • 语言：中文
  • 分类：TN383.1[电子电信—物理电子学] TL411.4[核科学技术—核技术及应用]
  • 作者机构：[1]中国科学院物理研究所,北京凝聚态物理国家重点实验室,北京100190, [2]上海交通大学物理系,上海200240, [3]浙江大学聚变理论与模拟中心,杭州310027
  • 相关基金：国家自然科学基金（批准号：10425416,10674175,60621063）、国家高技术研究发展计划惯性约束聚变主题和国家重点基础研究发展计划（编号：2007CB815105）资助项目
  • 相关项目：超短超强激光科学的若干前沿问题研究
作者： 王伟民|盛政明|
关键词： 激光等离子体相互作用, 超短超强激光脉冲, 新型电子加速, 激光尾波场, 粒子模拟
中文摘要：

通过数值模拟和理论分析，研究了由两反向传播的激光脉冲在稀薄等离子体中的相互作用造成的向激光尾波场中注入电子的物理过程，并讨论了两激光脉冲参数对注入电子数目的影响．通常注入脉冲的强度可以远小于产生尾波场的主脉冲强度．当注入脉冲为中等强度时，注入电子数首先随注入脉冲宽度的增加而增加，直到注入脉冲宽度达到某个临界值后，注入电子数饱和．当减小注入脉冲强度时，为了产生电子注入，相应的主脉冲强度应该提高．此时注入脉冲仅能轻微地影响主脉冲的尾波场，注入电子数随注入脉冲宽度的增加而持续增加，直到尾波场能够承受的捕获电子数目极限．

同期刊论文项目
超短超强激光科学的若干前沿问题研究
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等离子体布拉格光栅对超短强激光脉冲的操纵
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激光系统和激光与物质相互作用
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第四讲 超强激光脉冲与等离子体相互作用中高能离子的产生
强激光与高密度气体相互作用中电子和离子加速的数值模拟
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粒子模拟程序的发展及其在激光等离子体相互作用研究中的应用
第一讲 台面型电子加速器——激光尾波场加速器
第二讲 激光尾波场加速中的准单能电子束的产生
强激光与等离子体相互作用中沿靶表面发射的高能超热电子
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期刊信息
  • 《科学通报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院
  • 主编：周光召
  • 地址：北京东黄城根北街16号
  • 邮编：100717
  • 邮箱：csb@scichina.org
  • 电话：010-64036120 64012686
  • 国际标准刊号：ISSN：0023-074X
  • 国内统一刊号：ISSN：11-1784/N
  • 邮发代号:80-213
  • 获奖情况:
  • 首届国家期刊奖,中国期刊方阵“双高”期刊,第三届中国出版政府奖
  • 国内外数据库收录:
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  • 被引量:81792