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Spectral diagnostic of a resonantly laser created plasma

Published online by Cambridge University Press:  09 March 2009

J. P. Bardet ,
J. L. Bobin ,
C. Dimarcq ,
L. Giry ,
J. B. Larour ,
J. C. Valognes  and
M. A. Zaibi
J. P. Bardet
Affiliation:
Laboratoire de Physique et Optique Corpusculaires, Université Pierre et Marie Curie, T. 12, E.5, 4 place Jussieu, 75252 Paris CEDEX 05, France
J. L. Bobin
Affiliation:
Laboratoire de Physique et Optique Corpusculaires, Université Pierre et Marie Curie, T. 12, E.5, 4 place Jussieu, 75252 Paris CEDEX 05, France
C. Dimarcq
Affiliation:
Laboratoire de Physique et Optique Corpusculaires, Université Pierre et Marie Curie, T. 12, E.5, 4 place Jussieu, 75252 Paris CEDEX 05, France
L. Giry
Affiliation:
Laboratoire de Physique et Optique Corpusculaires, Université Pierre et Marie Curie, T. 12, E.5, 4 place Jussieu, 75252 Paris CEDEX 05, France
J. B. Larour
Affiliation:
Laboratoire de Physique et Optique Corpusculaires, Université Pierre et Marie Curie, T. 12, E.5, 4 place Jussieu, 75252 Paris CEDEX 05, France
J. C. Valognes
Affiliation:
Laboratoire de Physique et Optique Corpusculaires, Université Pierre et Marie Curie, T. 12, E.5, 4 place Jussieu, 75252 Paris CEDEX 05, France
M. A. Zaibi
Affiliation:
Laboratoire de Physique et Optique Corpusculaires, Université Pierre et Marie Curie, T. 12, E.5, 4 place Jussieu, 75252 Paris CEDEX 05, France
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Abstract

Plasma creation occurs when the frequency of a tunable dye laser is adjusted to the 589 nm D-doublet of the sodium atom. Occurrence and Stark broadening of emission lines in the fluorescence light are used as diagnostics. The time history of the electron density and temperature is inferred from these measurements. The peak electron density was found to be above 5 · 1016 cm−3 with a temperature lower than 1 eV.

Type
Research Article
Information
Laser and Particle Beams , Volume 8 , Issue 1-2 , January 1990 , pp. 307 - 317
Copyright
Copyright © Cambridge University Press 1990

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