Xenon ion beam characterization in a helicon double layer thruster

被引：87

作者：

Charles, C. ^{[1
]}

Boswell, R. W. ^{[1
]}

Lieberman, M. A. ^{[1
]}

机构：

[1] Australian Natl Univ, Res Sch Phys Sci & Engn, Space Plasma Power & Prop Grp, Canberra, ACT 0200, Australia

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 26期

关键词：

D O I：

10.1063/1.2426881

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A current-free electric double layer is created in a helicon double layer thruster operating with xenon and compared to a recently developed theory. The Xe+ ion beam formed by acceleration through the potential drop of the double layer is characterized radially using an electrostatic ion energy analyzer. For operating conditions of 500 W rf power, 0.07 mTorr gas pressure, and a maximum magnetic field of 125 G, the measured beam velocity is about 6 km s(-1), the beam area is about 150 cm(2), and the measured beam divergence is less than 6 degrees. (c) 2006 American Institute of Physics.

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页数：3

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