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Plasma double-layers produced by ponderomotive forceNon-linear rectification of the RF electric fields excited in a convectively amplifying electron beam-plasma interaction results in a dc electric field, and a corresponding ponderomotive force acting on the charged particles to produce a space-charge separation, i.e. a type of plasma double-layer. This paper analyses the effect, taking into account plasma electron temperature and electron-neutral collisions. To measure such double-layers, an electron beam probe constitutes a convenient non-perturbing diagnostic technique, but great care is required in its calibration. An analysis is presented taking into account significant non-linear effects which had been neglected in previous work. The paper concludes with some preliminary experimental results illustrating the use of the technique in a beam-plasma interaction for which a weak double-layer electric field is predicted.
Document ID
19810039066
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Levine, J. S.
(Stanford Univ. CA, United States)
Crawford, F. W.
(Stanford University Stanford, Calif., United States)
Date Acquired
August 11, 2013
Publication Date
December 1, 1980
Publication Information
Publication: International Journal of Electronics
Volume: 49
Subject Category
Plasma Physics
Accession Number
81A23470
Distribution Limits
Public
Copyright
Other

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