The suppression effect of external magnetic field on the high-power microwave window multipactor phenomenon

被引：5
|
作者：
Zhang, Xue [1 ]
Wang, Yong [1 ]
Fan, Junjie [1 ]
机构：
[1] Chinese Acad Sci, Inst Elect, Beijing 100190, Peoples R China
来源：
PHYSICS OF PLASMAS | 2015年 / 22卷 / 02期
关键词：
BREAKDOWN PHENOMENA; DISCHARGE; EMISSION;
D O I：
10.1063/1.4907248
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：
To suppress the surface multipactor phenomenon and improve the transmitting power of the high-power microwave window, the application of external magnetic fields is theoretically analyzed and simulated. A Monte Carlo algorithm is used to track the secondary electron trajectories and study the multipactor scenario on the surface of a cylinder window. It is confirmed that over-resonant magnetic fields (an external magnetic field whose magnitude is slightly greater than that of a resonant magnetic field) will generate a compensating trajectory and collision, which can suppress the secondary electron avalanche. The optimal value of this external magnetic field that will avoid the multipactor phenomenon on cylinder windows is discussed. (C) 2015 AIP Publishing LLC.
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页数：6
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