期刊
PHYSICS OF PLASMAS
卷 24, 期 2, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.4975188
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资金
- Science and Technology Facilities Council [ST/P002056/1] Funding Source: researchfish
- STFC [ST/P002056/1] Funding Source: UKRI
During its conductive phase, a pseudospark discharge is able to generate a low energy electron beam with a higher combined current density and brightness compared with electron beams formed from any other known type of electron source. In this paper, a configuration is proposed to postaccelerate an electron beam extracted from a single-gap pseudospark discharge cavity in order to achieve high quality high energy intense electron beams. The major advancement is that the triggering of the pseudospark discharge, the pseudospark discharge itself, and the post-accelerating of the electron beam are all driven by a single high voltage pulse. An electron beam with a beam current of similar to 20 A, beam voltage of 40 kV, and duration of similar to 180 ns has been generated using this structure. The beam energy can be adjusted through adjusting the amplitude of the voltage pulse and the operating voltage of the whole structure, which can be varied from 24 to 50 kV with an efficient triggering method under fixed gas pressure below similar to 10 Pa. Published by AIP Publishing.
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