M. Lomaev, V. Tarasenko, Alexander V. Diatlov, A. Burachenko
{"title":"Cumulation effect of an electron beam generated in a high-voltage nanosecond discharge plasma in vacuum and gas diodes","authors":"M. Lomaev, V. Tarasenko, Alexander V. Diatlov, A. Burachenko","doi":"10.1117/12.2548440","DOIUrl":null,"url":null,"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","PeriodicalId":205170,"journal":{"name":"Atomic and Molecular Pulsed Lasers","volume":"80 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Atomic and Molecular Pulsed Lasers","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2548440","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
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
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