Spectral characteristics of a short glow discharge with a grid anode

In a previous study, the characteristics of plasma generated by fast electrons behind a grid anode with short glow discharge were studied using numerical simulation. The source of the post-anode plasma electrons is considered to be the direct current glow discharge itself in the gap between a cathod...

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Bibliographic Details
Published inAIP advances Vol. 12; no. 3; pp. 035202 - 035202-9
Main Authors Lyu, Xingbao, Yuan, Chengxun, Avtaeva, Svetlana, Kudryavtsev, Anatoly, Yao, Jingfeng, Liu, Yangguo, Zhou, Zhongxiang, Wang, Xiaoou
Format Journal Article
LanguageEnglish
Published Melville American Institute of Physics 01.03.2022
AIP Publishing LLC
Subjects
Anode effect
Current voltage characteristics
Direct current
Electrons
Glow discharges
Helium
Microwave attenuation
Numerical prediction
Spectra
Spectral methods
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Summary:In a previous study, the characteristics of plasma generated by fast electrons behind a grid anode with short glow discharge were studied using numerical simulation. The source of the post-anode plasma electrons is considered to be the direct current glow discharge itself in the gap between a cathode and a grid anode. However, the electron attenuation of the microwave radiation in the post-anode space measured in experiments does not correspond to the numerical predictions. In this paper, the current–voltage characteristics of the short glow discharge with a grid anode and the spectral characteristics of the discharge in both the electrode gap and the space behind the grid anode are studied; the effective thickness of the plasma in the post-anode space is estimated using a spectral method.
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ISSN:2158-3226
2158-3226
DOI:10.1063/5.0082889