Generation and Application of Highly Ionized Quiescent Cesium Plasma in Steady State

A method of generating highly ionized quiescent plasmas in steady state is presented. Plasma densities in excess of 4×1012 ions/cm3 at greater than 90 per cent ionization have been obtained. The validity of double probe measurements of plasma density and temperature in the presence of a dc magnetic...

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Veröffentlicht in:Proceedings of the IRE 1961-12, Vol.49 (12), p.1926-1931
Hauptverfasser: Wada, J. Y., Knechtli, R. C.
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container_end_page 1931
container_issue 12
container_start_page 1926
container_title Proceedings of the IRE
container_volume 49
creator Wada, J. Y.
Knechtli, R. C.
description A method of generating highly ionized quiescent plasmas in steady state is presented. Plasma densities in excess of 4×1012 ions/cm3 at greater than 90 per cent ionization have been obtained. The validity of double probe measurements of plasma density and temperature in the presence of a dc magnetic field up to about 1500 gauss has been established. The recombination coefficient a of highly ionized cesium plasmas up to densities exceeding 4×1012 ions/cm3 has been found to be equal to or less than 3×10-11 cm3/sec, at least an order of magnitude smaller than the lowest value published to date. A valuable technique for basic as well as applied plasma research has thus been developed and directly applicable results obtained.
doi_str_mv 10.1109/JRPROC.1961.287722
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identifier ISSN: 0096-8390
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subjects Density measurement
Gaussian processes
Ionization
Magnetic field measurement
Plasma applications
Plasma density
Plasma measurements
Plasma temperature
Probes
Steady-state
title Generation and Application of Highly Ionized Quiescent Cesium Plasma in Steady State
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