Formation of a cathode plasma jet in a laser-induced vacuum discharge

I. V. Romanov; V. L. Paperny; Yu. V. Korobkin; V. A. Podvyaznikov; A. A. Rupasov; V. K. Chevokin; A. S. Shikanov

doi:10.1134/S1063785016020127

Formation of a cathode plasma jet in a laser-induced vacuum discharge

Authors: Romanov I.V.¹, Paperny V.L.², Korobkin Y.V.¹, Podvyaznikov V.A.³, Rupasov A.A.¹, Chevokin V.K.³, Shikanov A.S.¹
Affiliations:
1. Lebedev Physical Institute
2. Irkutsk State University
3. Prokhorov General Physics Institute
Issue: Vol 42, No 2 (2016)
Pages: 160-163
Section: Article
URL: https://journals.rcsi.science/1063-7850/article/view/197158
DOI: https://doi.org/10.1134/S1063785016020127
ID: 197158

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Abstract

The process of formation of micropinch structures in the plasma of a vacuum discharge initiated by a laser pulse on the cathode is studied. It is demonstrated that the micropinch formation takes place mainly in the substance evaporated by the laser pulse upon the discharge initiation. The size of the hot region of the plasma jet and the distance from the cathode to the micropinch increase with increasing laser pulse energy.