Effect of laser polarization direction on electron acceleration   by intense pulsed lasers

YUAN Xiangqun  HUO Yukun  WANG Pingxiao  KONG Qing  SHAO Lei  FENG Liang

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Effect of laser polarization direction on electron acceleration by intense pulsed lasers

更新时间：2021-03-12

- Effect of laser polarization direction on electron acceleration by intense pulsed lasers
- NUCLEAR TECHNIQUES Issue 4, (2001)
- 作者机构：
  
  1. 教育部重点实验室复旦大学应用等离子束物理实验室,上海,200433
  2. 教育部重点实验室复旦大
- 作者简介：
- 基金信息：
  
  国家自然科学基金! (196 840 0 1;199840 0 1);国家高技术 86 3;国家重点基础研究专项 (1973) !(1990 75 2 0 0 );国家工程物理
- DOI：
  CLC： TN247
- Published：01 April 2001
- 稿件说明：
移动端阅览
[1]袁祥群,霍裕昆,王平晓,孔青,邵磊,冯量.激光偏振方向对强脉冲激光加速电子的影响[J].核技术,2001(04):327-332.

YUAN Xiangqun HUO Yukun WANG Pingxiao KONG Qing SHAO Lei FENG Liang. Effect of laser polarization direction on electron acceleration by intense pulsed lasers[J]. Nuclear techniques, 2001, (4): 327-332.
[1]袁祥群,霍裕昆,王平晓,孔青,邵磊,冯量.激光偏振方向对强脉冲激光加速电子的影响[J].核技术,2001(04):327-332. DOI：

YUAN Xiangqun HUO Yukun WANG Pingxiao KONG Qing SHAO Lei FENG Liang. Effect of laser polarization direction on electron acceleration by intense pulsed lasers[J]. Nuclear techniques, 2001, (4): 327-332. DOI：

摘要

通过对电子在线偏振脉冲激光场的非弹性散射过程的 3D计算模拟

研究了电子在强激光场中非弹性散射及加速效应与激光偏振方向之间的变化规律。结果发现

在激光场强Q0 <10时

电子的最大出射能量几乎与激光的偏振方向无关

这与传统的有质动力势模型一致 ;在Q0 =10时

电子的最大出射能量开始敏感于激光的偏振方向 ;当Q0 >10时

电子的出射能量非常敏感于激光的偏振方向

这与传统的有质动力势模型相违。实验结果对于研究激光对电子的加速效应和未来激光加速器的设计有重要意义

Abstract

The effect of laser polarization direction on electron inelastic scattering and acceleration with extra-intense linear-polarized pulsed lasers was studied by means of 3D simulation of the relativistic Newton-Lorentz equation of motion. It has been found that when Q 0 is less than ten (Q 0=eE/m e ωc measures the laser intensity)

there is no noticeable polarization effect

which is consistent with the traditional ponderomotive potential model. While Q 0>30

the electron scattering and acceleration are found to be sensitive to the laser polarization direction. Tthe characteristics of the polarization effect examined were in details. This study is of significance not only in understanding the features of non-linear Compton scattering which underlies the acceleration effect

but also in experimentally testing the laser-driven electron acceleration as well as designing laser accelerator in the future.

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Institute of Nuclear Physics and Chemistry,China Academy of Engineering Physics,Mianyang 621900,China) 2

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