Self-amplified spontaneous emission in Smith-Purcell free-electron lasers

被引：44
|
作者：
Kim, KJ [1 ]
Song, SB [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 | 2001年 / 475卷 / 1-3期
关键词：
Smith-Purcell; FEL; SASE; grating;
D O I：
10.1016/S0168-9002(01)01576-5
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We present an analysis of a Smith-Purcell system in which a thin current sheet of electrons moves above a grating surface in the direction perpendicular to the grating grooves. We develop a consistent theory for evolution of the electromagnetic field and electron distribution in the exponential growth regime starting from the initial electron noise and the incoming amplitude. The dispersion relation for the complex growth rate for this system is a quadratic equation. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码：158 / 163
页数：6
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