Characteristics of pseudospark-sourced beam and its application in THZ sources

Liang Zhang, Kevin Ronald, Alan D.R. Phelps, Adrian W. Cross, Jin Zhang, Xiaodong Chen, Jie Xie

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

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Abstract

Pseudospark (PS) discharge is a low-pressure gas discharge characterized by a rapid breakdown phase with the generation of a high current density electron beam, which is over 100 times higher than a thermionic cathode. The PS-sourced beam can also transport a long distance without the need for an external guiding magnetic field. Such features are attractive as beam sources in terahertz wave generation. At high frequency, the conventional vacuum electron devices suffer a quick drop in the power level due to the small cross-section of the beam tunnel and the limit of current density from a thermionic cathode.

Original languageEnglish
Title of host publication2021 IEEE International Conference on Plasma Science, ICOPS 2021
Place of PublicationPiscataway, NJ.
PublisherIEEE
Pages1-3
Number of pages3
ISBN (Print)9781665432276
DOIs
Publication statusPublished - 12 Sept 2021
Event2021 IEEE International Conference on Plasma Science, ICOPS 2021 - Lake Tahoe, United States
Duration: 12 Sept 202116 Sept 2021

Publication series

NameIEEE International Conference on Plasma Science
Volume2021-September
ISSN (Print)0730-9244

Conference

Conference2021 IEEE International Conference on Plasma Science, ICOPS 2021
Country/TerritoryUnited States
CityLake Tahoe
Period12/09/2116/09/21

Keywords

  • electron beams
  • electric breakdown
  • discharges (electric)
  • plasmas
  • magnetic fields
  • high frequency

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