High-Speed Recording of Vacuum Arc Discharge Images in the Optical Range

S. G. Davydov; A. N. Dolgov; M. A. Karpov; A. V. Korneev; D. V. Nikishin; A. A. Pshenichniy; R. Kh. Yakubov

doi:10.1134/S1063780X19110023

High-Speed Recording of Vacuum Arc Discharge Images in the Optical Range

Authors: Davydov S.G.¹, Dolgov A.N.¹, Karpov M.A.¹, Korneev A.V.¹, Nikishin D.V.¹, Pshenichniy A.A.¹, Yakubov R.K.¹
Affiliations:
1. All-Russian Research Institute of Automatics
Issue: Vol 45, No 11 (2019)
Pages: 1071-1074
Section: Applied Physics
URL: https://journal-vniispk.ru/1063-780X/article/view/187255
DOI: https://doi.org/10.1134/S1063780X19110023
ID: 187255

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Abstract

Switching of a short vacuum gap with an auxiliary discharge over the surface of a dielectric has been studied via high-speed recording of images of discharge plasma radiating in the optical spectral range. Based on the analysis of experimental data, we surmise that the cathode spot and cathode flame radiation play an important role in the formation of the current channel in the discharge.