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Proceedings Paper

Drift-tube influence on the MWCG operating regimes
Author(s): Vladimir I. Koshelev; Michail P. Deichuly; Igor A. Chernyavskiy; Andrei A. Petkun
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Paper Abstract

A two-sectional slow-wave structure drift-tube influence on the operation regime of a three-centimeter-wavelength range multiwave Cerenkov generator has been investigated both experimentally and theoretically. Stable and powerful generation regimes have been found to correspond to the drift tube lengths at which the starting conditions calculated from a linear theory are realized only for one longitudinal electron-electromagnetic resonance. An important condition of stable generation regimes with a narrow radiation spectrum is an optimal correlation between a magnetic field and a gap between the electronbeam and the slow-wave structure. It has been shown theoretically by means of a nonlinear code that synchronization of the nearest longitudinal resonances of TM01-mode by electron beam results in both increase and decrease of generation efficiency compared to the interaction of the beam and field of one longitudinal resonance.

Paper Details

Date Published: 3 October 1997
PDF: 10 pages
Proc. SPIE 3158, Intense Microwave Pulses V, (3 October 1997); doi: 10.1117/12.279439
Show Author Affiliations
Vladimir I. Koshelev, High Current Electronics Institute (Russia)
Michail P. Deichuly, High Current Electronics Institute (Russia)
Igor A. Chernyavskiy, High Current Electronics Institute (Russia)
Andrei A. Petkun, High Current Electronics Institute (Russia)

Published in SPIE Proceedings Vol. 3158:
Intense Microwave Pulses V
Howard E. Brandt, Editor(s)

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