Dust as probe for horizontal field distribution in low pressure gas discharges

被引：23

作者：

Hartmann, Peter ^{[1
,2
]}

Kovacs, Aniko Zs ^{[1
]}

Reyes, Jorge C. ^{[2
]}

Matthews, Lorin S. ^{[2
]}

Hyde, Truell W. ^{[2
]}

机构：

[1] Hungarian Acad Sci, Wigner Res Ctr, Inst Solid State Phys & Opt, Dept Complex Fluids, H-1525 Budapest, Hungary

[2] Baylor Univ, CASPER, Waco, TX 76798 USA

来源：

PLASMA SOURCES SCIENCE & TECHNOLOGY | 2014年 / 23卷 / 04期

关键词：

dusty plasma; low pressure gas discharge; discharge diagnostics; PLASMA; PARTICLES; BALLS;

D O I：

10.1088/0963-0252/23/4/045008

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：

Using dust grains as probes in gas discharge plasma is a very promising, but at the same time very challenging method, as the individual external control of dust grains has to be solved. We propose and demonstrate the applicability of the RotoDust experiment, where the well controlled centrifugal force is balanced by the horizontal confinement field in plane electrode argon radio frequency gas discharges. We have reached a resolution of 0.1Vcm(-1) for the electric field. This technique is used to verify numerical simulations and to map symmetry properties of the confinement in dusty plasma experiments using a glass box.

引用

页数：7

共 50 条

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