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Absorption coefficients of a hydrogen plasma for laser radiation

Published online by Cambridge University Press:  13 March 2009

James R. Stallcop
James R. Stallcop
Affiliation:
Thermo-and Gas Dynamics Division, Ames Research Center, NASA Moffett Field, California 94035
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Abstract

The formalism for the calculation of the absorption of radiation by a hydrogen plasma at common laboratory conditions is summarized. The hydrogen plasma absorption coefficient for laser radiation has been computed for a wide range of electron densities (1015- 1018 cm-3) and temperatures (10 000–40 000 °K). The results of this computation are presented in a graphical form that permits a determination of the absorption coefficient for the following laser wavelengths: 0.176, 0.325, 0.337, 0.442, 0.488, 0.51, 0.633, 0.694, 1.06, 1.15, 2.36, 3.39, 5.40 and 10.6 Μm. The application of these results and laser radiation absorption measurements to plasma diagnostics is discussed briefly.

Type
Research Article
Information
Journal of Plasma Physics , Volume 11 , Issue 1 , February 1974 , pp. 111 - 129
Copyright
Copyright © Cambridge University Press 1974

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References

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