Determination of ion temperature by two‐probe method

A simple method is proposed to estimate the ion temperature of collision‐free plasma using a cylindrical and a spherical Langmuir probe. This method is based on the difference in the ion‐temperature dependence of the ion‐current collection between these probes as predicted theoretically by Laframboi...

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Bibliographic Details
Published in:Review of scientific instruments 1978-03, Vol.49 (3), p.371-373
Main Authors: Makita, Hideharu, Kuriki, Kyoichi
Format: Article
Language:English
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Summary:A simple method is proposed to estimate the ion temperature of collision‐free plasma using a cylindrical and a spherical Langmuir probe. This method is based on the difference in the ion‐temperature dependence of the ion‐current collection between these probes as predicted theoretically by Laframboise. Curves necessary for the ion‐temperature determination are given and are applied to a low‐density xenon plasma. Agreement of the probe characteristics with Laframboise’s theory was also demonstrated.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1135409