Impedance Method for Measuring High Electron Density and Electron Collision Frequency in a Gaseous Plasma Column
- 1 January 1963
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 2 (1)
- https://doi.org/10.1143/jjap.2.58
Abstract
The impedance method is extended to deduce simple and convenient formulas for measuring electron density higher than the critical value corresponding to the plasma resonance. The determination of both the electron density and the collision frequency in transient plasmas is possible by simultaneously recording two detected microwave signals. The electron density range measurable covers from 1×1013 cm-3 to 5×1010 cm-3, at a frequency of 9000 mc/sec.Keywords
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