Experimental study of the plasma cathode electron gun

被引：5

作者：

Xie, WL ^{[1
]}

Li, XY ^{[1
]}

Meng, L ^{[1
]}

Yan, Y ^{[1
]}

Gao, XY ^{[1
]}

Chen, S ^{[1
]}

Liu, SG ^{[1
]}

机构：

[1] Univ Electron Sci & Technol China, Inst High Energy Elect, Chengdu 610054, Sichuan, Peoples R China

来源：

INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 2002年 / 23卷 / 08期

关键词：

Microwave; Material Cathode; Pulser Voltage; Electron Emission; Pulse Length;

D O I：

10.1023/A:1019603523689

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The high-power microwave devices with plasma-filled have been unique properties. One of the major problems associated with plasma-filled microwave sources is that ions from the plasma drift toward the gun regions of the tube. This bombardment is particularly dangerous for the gun,where high-energy ion impacts can damage The cathode surface and degrade its electron emission capabilities. One of the techniques investigated to mitigate this issue is to replace the material cathode with plasma cathode. A unique plasma cathode electron gun are investigated in detail experimentally in this paper. The PCE-gun has been operated at pulser voltage up to 8KV,discharge current up to 166A,and pulse lengths of up to 60mus.

引用

页码：1149 / 1158

页数：10

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