Plasma localization in an extended hollow cathode of the plasma source of a ribbon electron beam

被引：7
|
作者：
Burachevsky, Yu. A. [1 ]
Burdovitsin, V. A. [1 ]
Klimov, A. S. [1 ]
Oks, E. M. [1 ]
Fedorov, M. V. [1 ]
机构：
[1] Tomsk State Univ Control Syst & Radioelectron, Tomsk 634050, Russia
来源：
TECHNICAL PHYSICS | 2006年 / 51卷 / 10期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S1063784206100094
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The plasma density distributions in the slit aperture of the extended rectangular hollow cathode of the source of a ribbon electron beam are investigated experimentally. It is found that a local maximum whose parameters are determined by the discharge current appears in the density distribution when the slot width is less than a certain threshold value. This maximum results in an inhomogeneous current density distribution in the beam. It is shown that the appearance of the local maximum in the plasma density is related to the overlapping of the ion sheaths in the slit aperture of the hollow cathode.
引用
收藏
页码：1316 / 1319
页数：4
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