Kinetic description of a planar wiggler free electron laser with ion-channel guiding

被引：3

作者：

Mehdian, H. ^{[1
]}

Abbasi, N. ^{[1
]}

机构：

[1] Tarbiat Moallem Univ, Basic Sci Fac, Dept Phys, Tehran, Iran

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2007年 / 49卷 / 12期

关键词：

D O I：

10.1088/0741-3335/49/12/008

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 theoretical study of electron trajectories and gain in a planar wiggler free electron laser (FEL) with ion-channel guiding is presented. A kinetic description is given. The linearized Vlasov-Maxwell equations are solved to investigate the growth rate in a tenuous-beam limit for perturbation about a general beam equilibrium distribution function, and generated harmonics are discussed. Linear gain corresponding to FEL resonance for the case of mono-energetic beam is derived and continuous tuning by varying the ion-channel density, for the fundamental mode, is illustrated.

引用

页码：2051 / 2061

页数：11

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