Pressure dependence of the electron density in electron-beam-excited rare-gas plasmas

The peak electron density in e-beam-excited rare-gas plasmas has been studied as a function of pressure, using inverse bremsstrahlung absorption techniques. It was found that the heavier rare gases exhibit broad maxima beyond which the peak electron density decreases monotonically with pressure. No...

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Bibliographic Details
Published in:Applied physics letters 1976-08, Vol.29 (4), p.236-239
Main Authors: Werner, C. W., Zamir, E., George, E. V.
Format: Article
Language:English
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Summary:The peak electron density in e-beam-excited rare-gas plasmas has been studied as a function of pressure, using inverse bremsstrahlung absorption techniques. It was found that the heavier rare gases exhibit broad maxima beyond which the peak electron density decreases monotonically with pressure. No maxima were observed in helium or neon over the pressure range investigated (0–400 psia). Data are presented along with a proposed theoretical explanation for the observed phenomena.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.89049