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Spatial Structure and Dynamics of a Pulsed Arc Discharge in Vacuum

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Abstract

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.

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Authors and Affiliations

  1. All-Russia Research Institute of Automatics, 127055, Moscow, Russia

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

Authors
  1. S. G. Davydov
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  2. A. N. Dolgov
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  3. M. A. Karpov
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  4. A. V. Korneev
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  5. D. V. Nikishin
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  6. A. A. Pshenichniy
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  7. R. Kh. Yakubov
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Corresponding author

Correspondence to A. V. Korneev.

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Translated by E. Voronova

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Davydov, S.G., Dolgov, A.N., Karpov, M.A. et al. Spatial Structure and Dynamics of a Pulsed Arc Discharge in Vacuum. Plasma Phys. Rep. 46, 452–458 (2020). https://doi.org/10.1134/S1063780X20040017

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  • DOI: https://doi.org/10.1134/S1063780X20040017

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