Electrostatic cumulation of high-current electron beams for terahertz sources

Electrostatic cumulation of high-current electron beams for terahertz sources

The electrostatic cumulation of current density in relativistic vacuum diodes with ring-type cathodes is described theoretically and confirmed experimentally. The distinctive feature of the suggested cumulation mechanism is a very low energy spread of electrons. As a result of electrostatic cumulati...

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Veröffentlicht in:Physical review. Accelerators and beams 2019-04, Vol.22 (4), Article 043403
Hauptverfasser: Anishchenko, S. V., Baryshevsky, V. G., Gurinovich, A. A.
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Sprache:eng
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Current density
High current
Relativistic effects
Relativistic electron beams
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creator Anishchenko, S. V.
Baryshevsky, V. G.
Gurinovich, A. A.
description The electrostatic cumulation of current density in relativistic vacuum diodes with ring-type cathodes is described theoretically and confirmed experimentally. The distinctive feature of the suggested cumulation mechanism is a very low energy spread of electrons. As a result of electrostatic cumulation, a thin relativistic electron beam with a current density of1kA/mm2can be formed. This quantity exceeds typical current density values in high-current Cherenkov sources by an order of magnitude. Such a beam can be used as an active medium in high-power terahertz sources.
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subjects Current density
High current
Relativistic effects
Relativistic electron beams
title Electrostatic cumulation of high-current electron beams for terahertz sources
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