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


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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.

About the authors

I. V. Romanov

Lebedev Physical Institute

Author for correspondence.
Email: laser.plasma@gmail.com
Russian Federation, Moscow, 119991

V. L. Paperny

Irkutsk State University

Email: laser.plasma@gmail.com
Russian Federation, Irkutsk, 664003

Yu. V. Korobkin

Lebedev Physical Institute

Email: laser.plasma@gmail.com
Russian Federation, Moscow, 119991

V. A. Podvyaznikov

Prokhorov General Physics Institute

Email: laser.plasma@gmail.com
Russian Federation, Moscow, 119991

A. A. Rupasov

Lebedev Physical Institute

Email: laser.plasma@gmail.com
Russian Federation, Moscow, 119991

V. K. Chevokin

Prokhorov General Physics Institute

Email: laser.plasma@gmail.com
Russian Federation, Moscow, 119991

A. S. Shikanov

Lebedev Physical Institute

Email: laser.plasma@gmail.com
Russian Federation, Moscow, 119991

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