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Cumulation effect of an electron beam generated in a high-voltage nanosecond discharge plasma in vacuum and gas diodes
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Paper Abstract

Cumulation effect of a beam of runaway electrons formed in a high-voltage nanosecond discharge in air at pressures of 3-105 Pa and discharge gap length d of 1 - 5 mm was studied. Optimal conditions of the effect in discharge gap with a tubular potential cathode and grounded flat anode was achieved at an air pressure of ~ 5 Pa and d of 2.7 mm. An electron beam current pulse was recorded behind a foil anode with high (up to ~ 80 ps) time resolution. It was found that, due to the cumulation effect, a through hole is formed in an aluminum foil 20 μm thick after 2-3 discharge pulses. The electron beam was found to register around the zone of maximum beam current density as well. As follows

Paper Details

Date Published: 11 December 2019
PDF: 6 pages
Proc. SPIE 11322, XIV International Conference on Pulsed Lasers and Laser Applications, 113222R (11 December 2019); doi: 10.1117/12.2548440
Show Author Affiliations
Mikhail I. Lomaev, Institute of High Current Electronics (Russian Federation)
National Research Tomsk State Univ. (Russian Federation)
Victor F. Tarasenko, Institute of High Current Electronics (Russian Federation)
National Research Tomsk State Univ. (Russian Federation)
Alexander V. Diatlov, National Research Tomsk State Univ. (Russian Federation)
Alexander G. Burachenko, Institute of High Current Electronics (Russian Federation)


Published in SPIE Proceedings Vol. 11322:
XIV International Conference on Pulsed Lasers and Laser Applications
Victor F. Tarasenko; Anton V. Klimkin; Maxim V. Trigub, Editor(s)

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