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.

引用

页数：16

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