Linear theory of large-orbit gyrotron traveling wave amplifiers with misaligned electron beam

被引：1
|
作者：
Jiao, Chong-Qing [1 ,2 ]
Luo, Ji-Run [3 ]
机构：
[1] N China Elect Power Univ, Beijing Key Lab High Voltage, Beijing 102206, Peoples R China
[2] N China Elect Power Univ, EMC, Beijing 102206, Peoples R China
[3] Chinese Acad Sci, Inst Elect, Beijing 100080, Peoples R China
来源：
PHYSICS OF PLASMAS | 2010年 / 17卷 / 11期
关键词：
TWT;
D O I：
10.1063/1.3511443
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 linear theory of large-orbit gyrotron traveling wave amplifiers (gyro-TWAs), which can be applied to analyze the effect of electron beam misalignment, is developed by specializing the corresponding theory of small-orbit gyro-TWAs The linear theory is validated by comparing with a nonlinear theory Numerical results show that beam misalignment can reduce linear gain and amplification bandwidth of large-orbit gyro-TWAs and increase the starting length of large-orbit gyro-BWOs for modes in accordance with the mode-selective condition In addition, beam misalignment can also break the limitation of mode-selective condition and make the instability problem more complex (C) 2010 American Institute of Physics [don 10 1063/1 3511443]
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页数：4
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