Generation and application of pseudospark-sourced electron beams

Cross, A.W. and Yin, H. and He, W. and Ronald, K. and Phelps, A.D.R. and Pitchford, L.C. (2007) Generation and application of pseudospark-sourced electron beams. Journal of Physics D: Applied Physics, 40 (7). pp. 1953-1956. ISSN 0022-3727

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Abstract

A pseudospark (PS) discharge has been shown to be a promising source of high brightness, high intensity electron beam pulses. A PS-sourced electron beam has two phases, an initial hollow cathode phase (HCP) beam followed by a conductive phase (CP) beam. In our experiments, a 22 kV, 50A HCP beam of brightness 10(9-10) A m(-2) rad(-2) followed by a 200 V, 200 A CP beam of brightness 10(11-12) A m(-2) rad(-2) were measured. Experiments have been conducted with the application of a HCP beam in a Cherenkov interaction with no input seed wave and with post-acceleration of the CP beam. In this paper, a new Cherenkov interaction experiment with an input seed wave from a 20 kW, 35 GHz pulsed magnetron has been designed using the same PS HCP beam. Simulation results of the interaction will be presented and further PS electron beam applications will be discussed.

Author(s):Cross, A.W. ORCID logoORCID: https://orcid.org/0000-0001-7672-1283, Yin, H. ORCID logoORCID: https://orcid.org/0000-0002-6635-9759, He, W. ORCID logoORCID: https://orcid.org/0000-0001-7018-0527, Ronald, K. ORCID logoORCID: https://orcid.org/0000-0002-8585-0746, Phelps, A.D.R. ORCID logoORCID: https://orcid.org/0000-0002-1100-1012 and Pitchford, L.C.
Item type:Article
ID code:31277
Keywords:plasma sources , particle beams, atmospheric electricity, intense particle beams, radiation sources , Physics, Surfaces, Coatings and Films, Acoustics and Ultrasonics, Electronic, Optical and Magnetic Materials, Condensed Matter Physics
Subjects:Science > Physics
Department:Faculty of Science > Physics
Depositing user: Pure Administrator
Date deposited:13 Jul 2011 08:56
Last modified:03 Jan 2020 08:02
URI:https://strathprints.strath.ac.uk/id/eprint/31277
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