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激光尾流场的2.5维粒子模拟 被引量：3

2.5dimensional PIC simulation of the generation of wakefield
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摘要 　用2D3VPIC粒子模拟方法分析了超短脉冲超强激光在稀薄等离子体中激发尾流场的产生过程及电子在尾流场中的加速过程。"前向Raman散射"使得激光脉冲沿传播方向拉长,脉冲的尾部变陡,它导致静电场的相速度和饱和时超热电子的最大动能明显减小,也使得激发尾流场的最佳脉冲宽度变小。 We analysis the wake-field generation and the electrons acceleration when ultra-intense short laser pulse propagate through tenuous plasma with 2D3V PIC simulation model. The effects of FRS elongates the length of the laser pulse as well as steeps the tail of the pulse which results in the notable reduces of the electrostatic phase velocity and maximum electron kinetic energy achieved when trapped. At the same time the most effective length of the laser pulse to stimulate the wake-field becomes shorter.
作者 徐涵 常文蔚 卓红斌
机构地区 国防科学技术大学理学院
出处 《强激光与粒子束》 EI CAS CSCD 北大核心 2002年第6期925-928,共4页 High Power Laser and Particle Beams
基金 国家自然科学基金资助课题(10085002) 国家863惯性约束聚变领域资助课题
关键词 前向Raman散射 有质动力 电子捕获 激光尾流场 稀薄等离子体 2D3VPIC粒子模拟方法 Computer simulation Electron traps Laser pulses Plasmas Raman scattering
分类号 O432.12 [机械工程—光学工程]
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参考文献12

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引证文献3

二级引证文献13

  • 1徐涵,常文蔚,卓红斌.短脉冲激光尾流场中的前向Raman散射[J].物理学报,2003,52(1):135-139. 被引量：6
  • 2卓红斌,胡庆丰,刘杰,迟利华,张文勇.超短脉冲激光与稀薄等离子体相互作用的准静态粒子模拟研究[J].物理学报,2005,54(1):197-201. 被引量：1
  • 3阿秒电子捕获[J].激光与光电子学进展,2008,45(2):39-39.
  • 4Zhang Ruitian,Ma Xinwen,Zhang Shaofen,Zhu Xiaolong,Feng Wentian,Guo Dalong,Li Bin,Liu Huiping,Wang Jianguo,Yan Shuncheng,Zhang Pengju,Wang Qian.Electron Capture to Continuum of Transfer Ionization in 30 keV/u He2＋ on Argon Collision[J].IMP & HIRFL Annual Report,2011(1):179-179.
  • 5Wang Yuyu Zhao Yongtao Cheng Rui Zhou Xianming Lei Yu Wang Xing Xu Ge Sun Yuanpo Xiao Guoqing.Energy Loss of Low Energy H, He and O Ions in Carbon Foils[J].IMP & HIRFL Annual Report,2011(1):43-43.
  • 6银燕,常文蔚,马燕云,郭少锋,徐涵.超短脉冲超强激光与固体靶相互作用中高能离子的产生[J].强激光与粒子束,2004,16(6):741-744. 被引量：9
  • 7汪飞.对一道力学问题中最大动能解法的探讨[J].物理通报,2013,42(8):116-117.
  • 8余同普,马燕云,常文蔚,银燕,田成林,邵福球.激光参数影响太赫兹辐射的数值模拟[J].强激光与粒子束,2008,20(6):943-947. 被引量：2
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强激光与粒子束
2002年 第6期

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