Runaway electron beams formed in atmospheric pressure air in a diode with dielectric films

Victor F. Tarasenko; Igor D. Kostyrya

doi:10.1117/12.2302421

16 April 2018 Runaway electron beams formed in atmospheric pressure air in a diode with dielectric films

Victor F. Tarasenko, Igor D. Kostyrya

Proceedings Volume 10614, International Conference on Atomic and Molecular Pulsed Lasers XIII; 106141X (2018) https://doi.org/10.1117/12.2302421
Event: XIII International Conference on Atomic and Molecular Pulsed Lasers, 2017, Tomsk, Russia

Abstract

The paper reports on a study of a supershort avalanche electron beam (SAEB) formed in atmospheric pressure air in a diode with dielectric films. The study shows that the number of electrons downstream of an Al foil anode increases gradually as a dielectric film 50 μm thick is shifted from cathode to anode. With a film 100 μm thick placed at 3 mm from the cathode, the number of electrons decreases ∼4 times, whereas their number with the same foil placed at 1 and 11 mm decreases by no more than 30 %. It is supposed that the dielectric at 3 mm from the cathode substantially influences the formation of an ionization wave and that increasing its thickness causes a rapid decrease in SAEB amplitude.

Citation Download Citation

Victor F. Tarasenko and Igor D. Kostyrya "Runaway electron beams formed in atmospheric pressure air in a diode with dielectric films", Proc. SPIE 10614, International Conference on Atomic and Molecular Pulsed Lasers XIII, 106141X (16 April 2018); https://doi.org/10.1117/12.2302421

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