Amplitude−temporal characteristics of a supershort avalanche electron beam generated during subnanosecond breakdown in air and nitrogen


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Resumo

The amplitude−temporal characteristics of a supershort avalanche electron beam (SAEB) with an amplitude of up to 100 A, as well as of the breakdown voltage and discharge current, are studied experimentally with a picosecond time resolution. The waveforms of discharge and SAEB currents are synchronized with those of the voltage pulses. It is shown that the amplitude−temporal characteristics of the SAEB depend on the gap length and the designs of the gas diode and cathode. The mechanism for the generation of runaway electron beams in atmospheric-pressure gases is analyzed on the basis of the obtained experimental data.

Sobre autores

V. Tarasenko

Institute of High Current Electronics; National Research Tomsk State University

Autor responsável pela correspondência
Email: vft@loi.hcei.tsc.ru
Rússia, Tomsk, Akademicheskii pr. 2/3, Tomsk, 634055; pr. Lenina 36, Tomsk, 634050

E. Baksht

Institute of High Current Electronics

Email: vft@loi.hcei.tsc.ru
Rússia, Tomsk, Akademicheskii pr. 2/3, Tomsk, 634055

D. Beloplotov

Institute of High Current Electronics; National Research Tomsk State University

Email: vft@loi.hcei.tsc.ru
Rússia, Tomsk, Akademicheskii pr. 2/3, Tomsk, 634055; pr. Lenina 36, Tomsk, 634050

A. Burachenko

Institute of High Current Electronics; National Research Tomsk State University

Email: vft@loi.hcei.tsc.ru
Rússia, Tomsk, Akademicheskii pr. 2/3, Tomsk, 634055; pr. Lenina 36, Tomsk, 634050

M. Lomaev

Institute of High Current Electronics; National Research Tomsk State University

Email: vft@loi.hcei.tsc.ru
Rússia, Tomsk, Akademicheskii pr. 2/3, Tomsk, 634055; pr. Lenina 36, Tomsk, 634050

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