Effects of bunch density gradient in high-gain free-electron lasers

被引：13
|
作者：
Huang, ZR [1 ]
Kim, KJ [1 ]
机构：
[1] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2000年 / 445卷 / 1-3期
关键词：
bunched beam; coherent spontaneous emission; high-gain free-electron laser; self-amplified spontaneous emission;
D O I：
10.1016/S0168-9002(00)00122-4
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We investigate effects of the bunch density gradient in self-amplified spontaneous emission, including the role of coherent spontaneous emission (CSE) in the evolution of the free-electron laser process. In the exponential gain regime, we solve the coupled Maxwell-Vlasov equations and extend the linear theory to a bunched beam with energy spread. A time-dependent, nonlinear simulation algorithm is used to study the CSE effect and the nonlinear evolution of the radiation pulse. Published by Elsevier Science B.V.
引用
收藏
页码：105 / 109
页数：5
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