Influence of anode plasma on the operation of diode with explosive emission cathode

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The results of study of planar vacuum diode with explosive emission cathode when the pulsed electron beam is generated with the current density of 0.3-0.4 kA/cm 2 are presented in the report. The analysis of various mechanisms of anode plasma action on the deviation of electron current from the value described by the correlation of Child-Langmuir - reduction of anode-cathode gap, compensation of volumetric electron charge, and additional input of electrons and ions of anode plasma to the total diode current has been performed. The experiments have been done with the use of pulsed electron accelerator TEU-500 (350-450 kV, 100 ns, 250 J per pulse) in the matching mode of diode impedance and output resistance of nanosecond generator. It has been shown that a significant influence of anode plasma on the operation of planar diode with the explosive emission cathode appears only in 70-80 ns after the voltage pulse application. At that the additional current of anode plasma electrons brings the most significant input to the deviation of diode current basing from the calculated data.

Original languageEnglish
Title of host publication2008 17th International Conference on High Power Particle Beams, BEAMS'08
Publication statusPublished - 2008
Event17th International Conference on High Power Particle Beams, BEAMS'08 - Xi'an, China
Duration: 6 Jul 200811 Jul 2008

Other

Other17th International Conference on High Power Particle Beams, BEAMS'08
CountryChina
CityXi'an
Period6.7.0811.7.08

Fingerprint

anodes
cathodes
diodes
deviation
electrons
electron accelerators
electron plasma
pulses
generators
impedance
electron beams
current density
vacuum
output
electric potential
ions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Pushkarev, A. I., & Sazonov, R. V. (2008). Influence of anode plasma on the operation of diode with explosive emission cathode. In 2008 17th International Conference on High Power Particle Beams, BEAMS'08 [6203000]

Influence of anode plasma on the operation of diode with explosive emission cathode. / Pushkarev, A. I.; Sazonov, R. V.

2008 17th International Conference on High Power Particle Beams, BEAMS'08. 2008. 6203000.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pushkarev, AI & Sazonov, RV 2008, Influence of anode plasma on the operation of diode with explosive emission cathode. in 2008 17th International Conference on High Power Particle Beams, BEAMS'08., 6203000, 17th International Conference on High Power Particle Beams, BEAMS'08, Xi'an, China, 6.7.08.
Pushkarev AI, Sazonov RV. Influence of anode plasma on the operation of diode with explosive emission cathode. In 2008 17th International Conference on High Power Particle Beams, BEAMS'08. 2008. 6203000
Pushkarev, A. I. ; Sazonov, R. V. / Influence of anode plasma on the operation of diode with explosive emission cathode. 2008 17th International Conference on High Power Particle Beams, BEAMS'08. 2008.
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