Laser Diagnostics of a Potassium Plasma Using Selective Excitation Spectroscopy
作者:
R. M. Measures,
A. B. Rodrigo,
期刊:
Applied Physics Letters
(AIP Available online 1972)
卷期:
Volume 20,
issue 3
页码: 102-104
ISSN:0003-6951
年代: 1972
DOI:10.1063/1.1654065
出版商: AIP
数据来源: AIP
摘要:
A thermally tunedQ‐switched ruby laser has been used to selectively excite the 6939‐A transition in a potassium plasma. A burst of intensified spontaneous emission at both 6911 and 6939 A has been observed. This enhanced emission contains information on the local properties of the plasma as demonstrated by the observed dependence of the signal duration upon the free‐electron density.
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