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Self-absorbing method to measure the population of the metastable levels in an argon microwave plasma at atmospheric pressure*

Published online by Cambridge University Press:  23 November 2004

I. Santiago ,
M. Christova ,
M. C. García  and
M. D. Calzada
I. Santiago
Affiliation:
Grupo de Espectroscopía de Plasmas, Edificio A. Einstein (C-2), Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
M. Christova
Affiliation:
Institute of Physics, Technical University, 8 St. Kliment Ohridski Blvd. BG.-1797 Sofía, Bulgaria
M. C. García
Affiliation:
Dpto. de Física Aplicada, Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
M. D. Calzada*
Affiliation:
Grupo de Espectroscopía de Plasmas, Edificio A. Einstein (C-2), Campus de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
*
[email protected]
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Abstract

Metastable atoms play an important role in the kinetics of plasmas. A self-absorbing method has been used to determine the population density of Ar(3P0) and Ar(3P2) atomic metastable levels and Ar(1P1) and Ar(3P1) atomic resonant levels in an argon microwave discharge sustained by a surface wave at atmospheric pressure. Under the operative conditions investigated, the concentrations of these levels ranged from 1010−1012 cm−3, being in agreement with those reported in the literature, which seems to indicate that this method could be used for this calculation.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 28 , Issue 3 , December 2004 , pp. 325 - 330
Copyright
© EDP Sciences, 2004

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Footnotes

*

This paper has been first presented at the CIP colloquium in June 2003

References

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