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Measurements of the Plasma Parameters and Low Frequency Oscillations in the Fisk Plasma SourceA new plasma device, the Fisk Plasma Source (FPS), has been developed at Fisk University. This plasma device is used to study the physics of low temperature plasmas and plasma-material interactions. The FPS device is a stainless steel vacuum 6-way cross vacuum vessel with at 10-inch inner diameter. Low temperature argon plasmas are generated using DC glow discharge and thermionic filament techniques. Spatial profiles of the plasma density, plasma potential, and electron temperature are measured using Langmuir probes. We present initial experimental measurements of density and temperature profiles in the FPS device. Experimental and theoretical studies of low frequency oscillations observed in the FPS device are also presented.
Document ID
20000032236
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
Thomas, Edward, Jr.
(Fisk Univ. Nashville, TN United States)
Wallace, Kent
(Fisk Univ. Nashville, TN United States)
Lampkin, Gregory
(Fisk Univ. Nashville, TN United States)
Watson, Michael
(Fisk Univ. Nashville, TN United States)
Date Acquired
August 19, 2013
Publication Date
February 22, 1998
Publication Information
Publication: NASA University Research Centers Technical Advances in Aeronautics, Space Sciences and Technology, Earth Systems Sciences, Global Hydrology, and Education
Volume: 2 and 3
Subject Category
Plasma Physics
Funding Number(s)
CONTRACT_GRANT: NCC8-133
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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