Density of metastable atoms in an argon plasma produced by an RF surface wave
- 1 June 1977
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 55 (11) , 1010-1012
- https://doi.org/10.1139/p77-135
Abstract
The maximum density of argon atoms in excited metastable states, in a plasma produced by surface wave propagation, is studied experimentally. Measurements are performed by the absorption method, perpendicularly to the tube axis. The measurements show that the maximum population densities of the 3p54s metastable levels in argon are larger in the RF plasma than in the positive column of a glow discharge, between 0.02 and 0.4 Torr in a 26 mm i.d. tube. This fact could be used to improve gas laser operation.Keywords
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