Wakefield acceleration of low energy electron bunches in the weakly nonlinear regime

被引：2

作者：

Lifschitz, A. F. ^{[1
]}

Faure, J. ^{[1
]}

Glinec, Y. ^{[1
]}

Malka, V. ^{[1
]}

机构：

[1] ENSTA, CNRS, UMR 7639, Lab Opt Appl, F-91761 Palaiseau, France

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2006年 / 561卷 / 02期

关键词：

laser-plasma acceleration; monoenergetic electron beam; laser-plasma interaction simulation;

D O I：

10.1016/j.nima.2006.01.012

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We present a simple analytical model for the acceleration of low energy electron bunches in the wakefield created by a short laser pulse focused in a uniform plasma. Laser intensity is limited to I similar to 10(18) W/cm(2) in order to avoid self-injection and strong nonlinear effects. In this weakly nonlinear regime, it is found that the quality of the accelerated electron bunch-in terms of bunch length and energy spread-depends crucially on the injection energy. Comparisons with numerical simulations show that most of the features of the acceleration process can be explained within the linear response framework, including both the reduction of energy spread and bunch length at low injection energies. The role of nonlinear effects is discussed. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：314 / 319

页数：6

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