Gain in a free-electron laser with planar wiggler and ion-channel guiding

被引：25

作者：

Esmaeilzadeh, M ^{[1
]}

Mehdian, H

Willett, JE

机构：

[1] Iran Univ Sci & Technol, Dept Phys, Tehran, Iran

[2] Teacher Training Univ, Dept Phys, Tehran, Iran

[3] Univ Missouri, Dept Phys & Astron, Columbia, MO 65211 USA

来源：

PHYSICS OF PLASMAS | 2002年 / 9卷 / 02期

关键词：

D O I：

10.1063/1.1427728

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 theory of ion-channel guiding in a planar wiggler is presented. For the sake of generality, a uniform static axial magnetic field is included in addition to the ion electrostatic field and wiggler magnetic field. The pendulum equation that describes the interaction between an electron and the radiation field is derived. A formula for the gain is then derived in the low-gain-per-pass limit. The results of a numerical study of gain enhancement due to the ion channel are presented and discussed. (C) 2002 American Institute of Physics.

引用

页码：670 / 677

页数：8

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