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PIC simulation of a two-foil vircator

Published online by Cambridge University Press:  08 May 2017

A.E. Dubinov  and
V.P. Tarakanov
A.E. Dubinov*
Affiliation:
Russian Federal Nuclear Center – All-Russia Scientific and Research Institute of Experimental Physics (RFNC-VNIIEF), 37 Mira ave., Sarov, Nizhny Novgorod region 607188, Russia National Research Nuclear University – Moscow Engineering Physics Institute (MEPhI), Kashirskoe highway, 31, Moscow 115409, Russia Sarov State Institute of Physics and Technology (SarFTI), Dukhova str., 6, Sarov, Nizhni Novgorod region 607186, Russia
V.P. Tarakanov
Affiliation:
National Research Nuclear University – Moscow Engineering Physics Institute (MEPhI), Kashirskoe highway, 31, Moscow 115409, Russia Joint Institute of High Temperatures of the Russian Academy of Sciences (JIHT RAS), Izhorskaya str. 13, Bd. 2, Moscow 125412, Russia
*
Address correspondence and reprint requests to: A.E. Dubinov, Russian Federal Nuclear Center – All-Russia Scientific and Research Institute of Experimental Physics (RFNC-VNIIEF), 37 Mira ave., Sarov, Nizhny Novgorod region 607188, Russia. E-mail: dubinov-ae@yandex.ru
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Abstract

Particle-in-cell (PIC) simulation of a two-foil magnetoinsulated vircator is carried out. Evolution of electron phase portrait has been studied. Formation of two regions with a squeezed state of electron beam is observed, separated from each other by an electronic phase vortex. The power of two-foil vircator's microwave generation was calculated. It is demonstrated that in the phase vortex mode, the power of vircator's microwave radiation may excel the outcome power of a usual one-foil vircator by two times. The spectral characteristics of two-foil vircators were studied. It was found that it is necessary to change the energy of electrons for the variation of primary microwave generation frequency.

Keywords

Generation of HPMPhase vortexPIC simulationSqueezed stateTwo-foil vircatorVirtual cathode (VC)
Type
Research Article
Information
Laser and Particle Beams , Volume 35 , Issue 2 , June 2017 , pp. 362 - 365
Copyright
Copyright © Cambridge University Press 2017 

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References

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