Optogalvanic Studies in CO2Discharges at Low Pressures
作者:
Kuldip Singh,
V.B. Kartha,
R. D'cunha,
期刊:
Spectroscopy Letters
(Taylor Available online 1987)
卷期:
Volume 20,
issue 1
页码: 17-23
ISSN:0038-7010
年代: 1987
DOI:10.1080/00387018708082272
出版商: Taylor & Francis Group
关键词: Optogalvanic Effect;CO2;Saturation
数据来源: Taylor
摘要:
The optogalvanic effect in Lou pressure CO2-N2-He discharges has been studied at different CO laser wavelengths. It was shown, that unlike earlier studies done at higher pressures, a saturation of the optogalvanic signal was observed as pressure was increased from fraction of a torr to values greater than one torr. It was shown that at tow pressure, the temperature perturbation effect alone can not explain the optogalvanic effect. The increased rate of electron-ion and ion-ion recombination processes competed with the temperature effect and this Led to a saturation of the optogalvanic signal.
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