Saturation mechanism in a two-stream free-electron laser

被引：0
|
作者：
Mandizadeh, N. [1 ]
机构：
[1] Islamic Azad Univ, Dept Phys, Sabzevar Branch, Sabzevar, Iran
来源：
JOURNAL OF PLASMA PHYSICS | 2015年 / 81卷
关键词：
D O I：
10.1017/S0022377815001427
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：
The effect of a guide field on the saturation mechanism in a two-stream free-electron laser (FEL) is verified. Two monoenergetic electron beams with a vanishing pitch-angle spread are considered. Nonlinear wave-particle interaction is described by a set of coupled differential equations in a 1-D approximation. Output power is presented as a function of the axial distance. It was found that through using a focusing mechanism, the two-stream FEL reached the saturation regime in a shorter axial distance in comparison with the case of no focusing mechanism.
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页数：16
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