Quantum effects in high-gain free-electron lasers

被引:37
|
作者
Schroeder, CB [1 ]
Pellegrini, C
Chen, P
机构
[1] Stanford Univ, Stanford Linear Accelerator Ctr, MS 99,POB 20450, Stanford, CA 94309 USA
[2] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
来源
PHYSICAL REVIEW E | 2001年 / 64卷 / 05期
关键词
D O I
10.1103/PhysRevE.64.056502
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
A many-particle fully quantized theory for a free-electron laser which is valid in the high-gain regime is presented. We examine quantum corrections for the high-gain single-pass free-electron laser. It is shown that quantum effects become significant when the photon energy becomes comparable to the gain bandwidth. The initiation of the free-electron laser process from quantum fluctuations in the position and momentum of the electrons is considered. and the parameter regime for enhanced start-up is identified. Photon statistics of the free-electron laser radiation are discussed, and the photon number statistics for the self-amplified spontaneous emission are calculated.
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页数:10
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