Processes of virtual cathodes interaction in multibeam system

Two variants of schemes of a multibeam vircator are proposed and studied in this paper. Numerical analysis of the influence of various parameters of these systems (magnitude of the external magnetic field and detuning of beam currents) on the generation characteristics was conducted. The possibility...

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Bibliographic Details
Published in:Physics of plasmas 2018-08, Vol.25 (8)
Main Authors: Badarin, Artem A., Kurkin, Semen A., Koronovskii, Alexey A., Hramov, Alexander E., Rak, Alexey O.
Format: Article
Language:English
Subjects:
Beam currents
Cathodes
Drift
Numerical analysis
Parameters
Plasma physics
Synchronism
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Summary:Two variants of schemes of a multibeam vircator are proposed and studied in this paper. Numerical analysis of the influence of various parameters of these systems (magnitude of the external magnetic field and detuning of beam currents) on the generation characteristics was conducted. The possibility of synchronizing several virtual cathodes in a single drift space of a multibeam vircator is demonstrated. The regime maps of basic control parameters of the system are built. The possibility of effective interaction of several virtual cathodes in a single drift space is analyzed, and the conditions for implementing an effective addition of powers of each beam at the output load are determined.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.5040505