Spatial Structure and Dynamics of a Pulsed Arc Discharge in Vacuum

Spatial Structure and Dynamics of a Pulsed Arc Discharge in Vacuum

The process of switching a short vacuum gap using an auxiliary discharge over the surface of a dielectric is studied by the high-speed recording of images of the plasma in the optical spectral range. Based on the analysis of the obtained experimental data, it is suggested that the cathode spot and c...

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Veröffentlicht in:Plasma physics reports 2020-04, Vol.46 (4), p.452-458
Hauptverfasser: Davydov, S. G., Dolgov, A. N., Karpov, M. A., Korneev, A. V., Nikishin, D. V., Pshenichniy, A. A., Yakubov, R. Kh
Format: Artikel
Sprache:eng
Schlagworte:
Applied Physics
Atomic
Cathodes
Discharge
Electric arcs
Molecular
Optical and Plasma Physics
Physics
Physics and Astronomy
Ultraviolet spectra
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Beschreibung
Zusammenfassung:The process of switching a short vacuum gap using an auxiliary discharge over the surface of a dielectric is studied by the high-speed recording of images of the plasma in the optical spectral range. Based on the analysis of the obtained experimental data, it is suggested that the cathode spot and cathode flame in the ultraviolet spectral range play a significant in the formation of current channel in the discharge.
ISSN:1063-780X
1562-6938
DOI:10.1134/S1063780X20040017