Particle-in-cell (PIC) simulations of beam instabilities in gyrotrons

被引：8
|
作者：
Tran, TM
Jost, G
Appert, K
Alberti, S
Pedrozzi, M
机构：
[1] CRPP, Assoc. Euratom-Confed. Suisse, Ecl. Polytech. Federale de Lausanne
来源：
PHYSICS OF PLASMAS | 1997年 / 4卷 / 08期
关键词：
D O I：
10.1063/1.872439
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：
Extensive simulations are performed to investigate effects of electron cyclotron instabilities on the gyrotron beam quality, using two-dimensional axisymmetric particle-in-cell (PIG) codes. Both electrostatic and electromagnetic models, as well as realistic geometries of the gyrotron, are considered. It is found that a large beam density can lead to an electrostatic-instability-induced energy spread which substantially degrades the gyrotron efficiency. (C) 1997 American institute of Physics.
引用
收藏
页码：3043 / 3048
页数：6
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