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Title:Incoherent scattering of microwaves from enhanced density fluctuations in a DC-discharge
Author(s):Carr, Wayne Elbert
Doctoral Committee Chair(s):Raether, M. J.
Department / Program:Physics
Discipline:Physics
Degree:Ph.D.
Genre:Dissertation
Subject(s):incoherent scattering of microwaves
enhanced density fluctuations
DC-discharge
cylindrical neon discharge
Abstract:Radiation of 9375 MHz is incident on a cylindrical neon discharge enclosed in a 1" square waveguide and incoherent scattering in the upper sideband is investigated. Scattering is observed in the backward and forward directions from the naturally enhanced density fluctuations in two electron plasma modes for gas pressures between -3 -3" 3.8xlO Torr and 8.0XlO Torr. The measured electron mode frequencies are in general agreement with other experiments. The enhancement, varying between 30 and 8000 times the estimated thermal value is correlated over most of the pressure range to excess superthermal electrons present in the discharge, as measured by a Langmuir probe.
Issue Date:1967
Genre:Dissertation / Thesis
Type:Text
Language:English
URI:http://hdl.handle.net/2142/25701
Rights Information:1967 Wayne Elbert Carr
Date Available in IDEALS:2011-07-07
Identifier in Online Catalog:6088144


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