Energetic electron-bunch generation in a phase-locked longitudinal laser electric field

被引：22

作者：

Xiao, K. D. ^{[1
,2
]}

Huang, T. W. ^{[1
,2
]}

Ju, L. B. ^{[3
]}

Li, R. ^{[1
,2
]}

Yang, S. L. ^{[1
,2
]}

Yang, Y. C. ^{[1
,2
]}

Wu, S. Z. ^{[4
]}

Zhang, H. ^{[4
]}

Qiao, B. ^{[1
,5
,6
]}

Ruan, S. C. ^{[7
]}

Zhou, C. T. ^{[1
,2
,4
,7
]}

He, X. T. ^{[1
,2
,4
]}

机构：

[1] Peking Univ, Ctr Appl Phys & Technol, HEDPS, Beijing 100871, Peoples R China

[2] Peking Univ, Sch Phys, Beijing 100871, Peoples R China

[3] China Acad Engn Phys, Grad Sch, POB 2101, Beijing 100088, Peoples R China

[4] Inst Appl Phys & Computat Math, Beijing 100094, Peoples R China

[5] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China

[6] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China

[7] Shenzhen Univ, Coll Elect Sci & Technol, Shenzhen 518060, Peoples R China

来源：

PHYSICAL REVIEW E | 2016年 / 93卷 / 04期

基金：

中国国家自然科学基金;

关键词：

ACCELERATION;

D O I：

10.1103/PhysRevE.93.043207

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Energetic electron acceleration processes in a plasma hollow tube irradiated by an ultraintense laser pulse are investigated. It is found that the longitudinal component of the laser field is much enhanced when a linear polarized Gaussian laser pulse propagates through the plasma tube. This longitudinal field is of pi/2 phase shift relative to the transverse electric field and has a pi phase interval between its upper and lower parts. The electrons in the plasma tube are first pulled out by the transverse electric field and then trapped by the longitudinal electric field. The trapped electrons can further be accelerated to higher energy in the presence of the longitudinal electric field. This acceleration mechanism is clearly illustrated by both particle-in-cell simulations and single particle modelings.

引用

页数：6

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