Title :
Generation and characteristics of high power long pulse electron beam (propagation in vacuum within different pressure)
Author :
Alexeev, G.I. ; Bishaev, A.M. ; Golubev, A.A. ; Gudovich, V.A. ; Kadimov, A.H. ; Klen, G.I. ; Larionov, V.P. ; Radkevich, O.I. ; Shterbina, O.V.
Author_Institution :
Moscow Radiotechnieal Inst. RAN, Moscow, Russia
Abstract :
For investigation of propagation dynamic of high power long pulse (0, 3–1 ms) electron beam in vacuum within pressure 5∗10−5 ÷10 Torr two experimental installation were constructed: 1. Electron energy − 300 keV, current 30–100 A, pulse 0,35 ms long; 2. Electron energy 500–600 keV, current 30–200 A, pulse 1 ms long. Two different macroinstabilities of the beam have been observed. One of them had freaquences up to 10 MHz within pressure 5∗10−5 ÷1 Torr. Second had freaquences several kiloherzes within pressure 5∗10−5 ÷10 Torr. When pressure was 5∗10−5 ÷5∗10−4 Torr monotonous increasing of beam diameter along transport way was observed depending on beam microinstability.
Keywords :
Cathodes; Generators; Heating; Particle beams; Plasmas; Probes; Valves;
Conference_Titel :
High-Power Particle Beams, 1992 9th International Conference on
Conference_Location :
Washington, DC, USA
Print_ISBN :
000-0-0000-0000-0
