Effect of emission current delay on the efficiency of electron beam production

Abstract

The vacuum diode of an ASTRA-M pulsed electron accelerator with cathodes providing various delay times of the emission current from the beginning of the accelerating voltage pulse was tested. The long delay times of the emission current raised the maximum value of the accelerating voltage pulse and the value of average electron kinetic energy. As a result, the ejected beam energy-loss decreased, while the total accelerator efficiency increased.

Original language	English
Pages (from-to)	428-432
Number of pages	5
Journal	Vacuum
Volume	143
DOIs	https://doi.org/10.1016/j.vacuum.2017.03.030
Publication status	Published - 1 Sep 2017

Keywords

Accelerator efficiency
Cathode
Electron emission current
Vacuum electron diode

ASJC Scopus subject areas

Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films

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10.1016/j.vacuum.2017.03.030

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Egorov, I., Remnev, G., Poloskov, A., & Serebrennikov, M. (2017). Effect of emission current delay on the efficiency of electron beam production. Vacuum, 143, 428-432. https://doi.org/10.1016/j.vacuum.2017.03.030

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abstract = "The vacuum diode of an ASTRA-M pulsed electron accelerator with cathodes providing various delay times of the emission current from the beginning of the accelerating voltage pulse was tested. The long delay times of the emission current raised the maximum value of the accelerating voltage pulse and the value of average electron kinetic energy. As a result, the ejected beam energy-loss decreased, while the total accelerator efficiency increased.",

keywords = "Accelerator efficiency, Cathode, Electron emission current, Vacuum electron diode",

author = "Ivan Egorov and Gennady Remnev and Artem Poloskov and Maksim Serebrennikov",

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AB - The vacuum diode of an ASTRA-M pulsed electron accelerator with cathodes providing various delay times of the emission current from the beginning of the accelerating voltage pulse was tested. The long delay times of the emission current raised the maximum value of the accelerating voltage pulse and the value of average electron kinetic energy. As a result, the ejected beam energy-loss decreased, while the total accelerator efficiency increased.

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KW - Cathode

KW - Electron emission current

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