期刊文献+

激光脉冲宽度对有质动力加速电子的影响 被引量:3

Pulse Duration Effect on the Ponderomotive Accelerating Electron
原文传递
导出
摘要 基于真空中单电子运动模型,编程计算得到了高斯激光脉冲与初始位于激光传播轴上电子的相互作用结果。不同激光参量条件下,得到了电子的能量增益与激光强度、焦斑大小和脉冲宽度关系。结果表明,高斯激光脉冲焦斑较大时,电子没有明显的能量增益,高斯激光脉冲焦斑太小时,电子也没有明显的能量增益。电子的能量增益有一个最佳焦斑大小。在相同激光强度下,电子能量增益的最佳焦斑大小随脉冲宽度的增大而增大,但最佳焦斑大小与脉冲宽度的比值基本上是不变的。 Electron acceleration from the interaction of a Gaussian laser pulse with initial axial electron is investigated, using a single test electron model in vacuum. Under the different laser parameters, the electron energy gain depends on the laser intensity, focal spot size and pulse width. The electron energy gain have a optimum focal spot size. There are no evident energy gain when the focal spot size is too big or small. Given the laser intensity, the optimum focal size increases with the pulse width, and the ratio of the optimum focal size to the pulse width is fixed.
出处 《光学学报》 EI CAS CSCD 北大核心 2005年第11期1506-1509,共4页 Acta Optica Sinica
关键词 激光光学 电子加速 有质动力 单电子运动模型 laser optics electron acceleration ponderomotive force single test electron model
作者简介 张淼(1980~),男,山东人,中国科学院七海光学精密机械研究所硕士研究生,主要从事“快点火”中快电子物理特性的研究。E-mail:shhzhm@eyou.com
  • 相关文献

参考文献17

  • 1Donna Strickland, Gerard Mourou. Compression of amplified chirped optical pulses[J]. Opt. Co*nmun., 1985, 56(3): 219-221.
  • 2李伟,刘建胜,曾志男,张正泉.脉冲啁啾对高次谐波谱影响的理论研究[J].中国激光,2003,30(6):509-511. 被引量:3
  • 3Marian O. Scully, M. S. Zubairy. Simple laser accelerator:Optics and particle dynamics[J]. Phys. Rev. (A), 1991, 44(4) :2656-2663.
  • 4Eric Esarey, Phillip Sprangle, Jonathan Krall. Laser acceleration of electrons in vacuum[J]. Phys. Rev. (E), 1995, 52(5):5443-5453.
  • 5F. V. Hartemann, S. N. Fochs, G. P. Le Sage et al..Nonlinear ponderomotive scattering of relativistic electrons by an intense laser field at focus[J]. Phys. Rev. (E), 1995, 51(5):4833-4843.
  • 6Brice Quesnel, Patrick Mora. Theory and simulation of the interaction of ultraintense laser pulses with electrons in vacuum[J]. Phys. Rev. (E), 1998, 58(3):3719-3732.
  • 7Wei Yu, M. Y. Yu, J. X. Ma et al.. Ponderomotive acceleration of electrons at the focus of high intensity lasers[J].Phys. Rev. (E), 2000, 61(3):R2220-R2223.
  • 8T. Tajima, J. M. Dawson. Laser electron accelerator[J]. Phys.Rev. Lett., 1979, 43(4):267-270.
  • 9D. Umstadter, S. Y. Chen, A. Maksimchuk et al.. Nonlinear optics in relativistic plasmas and laser wake field acceleration of electrons[J]. ,Science, 1996, 273(5274): 472-475.
  • 10R. Wagner, S. Y. Chen, A. Maksimchuk et al.. Electron acceleration by a laser wake field in a relativistically self-guided channel[J]. Phys. Rev. Lett., 1997, 78(16):3125-3128.

二级参考文献11

  • 1余玮,沈百飞,徐至展,冯贤平,李萍,邵雯雯.高强激光直接驱动的压缩激波[J].光学学报,1996,16(2):142-145. 被引量:1
  • 2Lee K,Phys Fluids,1977年,20卷,1期,51页
  • 3Esarey E,Sprangle P,Krall J et al..Self-focusing and guiding of short pulses in ionizing gases and plasmas.IEEE J.Quant.Electron.,1997,QE-33(11):1879-1914.
  • 4Spangle P,Tang C M,Esarey E.Relativitistic self-focusing of short-pulse radiation beams in plasmas.IEEE Trans.Plasma Science,1987,15(2):145-153.
  • 5Spangle P,Esarey E,Krall J et al..Propagation and guiding of intense laser pulses in plasmas.Phys.Rev.Lett.,1992,69(14):2200-2203.
  • 6Sun G Z.Ott E,Lee Y C et al.. Self -focusing of short intense pulses in plasmas.Phys.Fluids,1987,30:526-532.
  • 7Chessa P,Mora P,Antonsen T.Plasma channel formation by short pulse laser.Phys.Plasmas.,1998,5(4):3451.
  • 8Feit M D,Komashko A M,Musher S L et al.. Electron cavitation and relativitistic self-focusing in underdense plasms.Phys.Rev.,1988,E57(6):7122-7125.
  • 9Hafizi B,Ting A,Sprangle P et al..Relativitistic focusing and pondermotive channeling of intense laser beams.Phys.Rev.(E),2000,62(3):4120-4125.
  • 10苍宇,王薇,张杰.对超短脉冲激光与固体密度等离子体相互作用动力学过程的研究[J].物理学报,2001,50(9):1742-1746. 被引量:7

共引文献16

同被引文献17

  • 1郑瑞伦,穆峰.晶体铜的表面能与表面张力[J].西南师范大学学报(自然科学版),1993,18(1):26-32. 被引量:8
  • 2苏毅.高能激光系统中的物理问题[J].物理,2005,34(8):583-588. 被引量:10
  • 3卫红萍,陈武.干燥激光净化能量密度阈值研究[J].西南师范大学学报(自然科学版),2007,32(2):21-25. 被引量:2
  • 4王竹溪 郭敦仁.特殊函数论[M].北京:科学出版社,1979..
  • 5Yilbas B S,Shuja S Z,Laser Short-Pulse Heating of Sufaces[J].J Phys D:Appl Phys,1999,32:1 947-1 954.
  • 6Веикоэ Б Л,ЁАШахно, Физическиё механизмь1 лазерной очистки поверхности[J].ИАН,2001,65(4):586-590.
  • 7Лукьянчук Ю С,ЮВЖенг, ИФЛУ. квопросу О Механизме сухой лазерной очистки[J].ИАН,2001,65(4):591-600.
  • 8郭硕鸿.电动力学[M].北京:高等教育出版社,1982:138-139.
  • 9бгдивщиц;王润泽译.金属与合金的物理性能[M].北京:中国工业出版社,1961:204.
  • 10Yilbas B S, Shuja S Z. Laser Short--Pulse Heating of Sufaces [J]. J Phys D: Appl Phys, 1999, 32: 1947- 1954.

引证文献3

二级引证文献2

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部