Gun breakdown prevention in a system with dense nonrelativistic electron beam focused on a solid target in pulses with millisecond duration

Gun breakdown prevention in a system with dense nonrelativistic electron beam focused on a solid target in pulses with millisecond duration

Experiments on formation of a dense nonrelativistic long-pulsed electron beam (20-50 keV, 1-5 A) are presented. As a result of prevention of discharge processes in the high-voltage gap of an electron gun, high energetical parameters of electron beam (pulse duration up to 5 ms and energy density up t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Arkhipov, A.V., Sominski, G.G.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Cathodes
Electric breakdown
Electron beams
Magnetic shielding
Plasma density
Plasma diagnostics
Plasma temperature
Protection
Solids
Structural beams
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Beschreibung
Zusammenfassung:Experiments on formation of a dense nonrelativistic long-pulsed electron beam (20-50 keV, 1-5 A) are presented. As a result of prevention of discharge processes in the high-voltage gap of an electron gun, high energetical parameters of electron beam (pulse duration up to 5 ms and energy density up to 100 kT/cm/sup 2/) had been obtained. A qualitative model of observed phenomena is proposed.
ISSN:1093-2941
DOI:10.1109/DEIV.1998.738876