Interaction of a Relativistic Electron Beam and Electromagnetic Field in a Terahertz Cherenkov Generator with a Bragg Reflector
- Authors: Deichuli M.P.1, Koshelev V.I.1, Petkun A.A.1, Chazov V.A.1
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Affiliations:
- Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
- Issue: Vol 68, No 12 (2023)
- Pages: 1202-1210
- Section: ЭЛЕКТРОНИКА СВЧ
- URL: https://journals.rcsi.science/0033-8494/article/view/243611
- DOI: https://doi.org/10.31857/S0033849423120057
- EDN: https://elibrary.ru/XQUAEA
- ID: 243611
Cite item
Abstract
A 2.5D hybrid model is used to numerically study the interaction of a beam with a current of 2.5–7.5 kA and an electron energy of 345–510 keV and terahertz (364–368 GHz) electromagnetic field. It is shown that Bragg reflectors in an electrodynamic system with an overmode ratio of 49 make it possible to significantly suppress backward radiation and multiply increase the radiation power in the direction of the electron beam. Radiation pulses with a power of up to 330 MW are obtained in calculations with disregard of heat loss in the presence of a guiding magnetic field of 6 T.
About the authors
M. P. Deichuli
Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
Email: koshelev@lhfe.hcei.tsc.ru
Tomsk, 634055 Russia
V. I. Koshelev
Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
Email: koshelev@lhfe.hcei.tsc.ru
Tomsk, 634055 Russia
A. A. Petkun
Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
Email: koshelev@lhfe.hcei.tsc.ru
Tomsk, 634055 Russia
V. A. Chazov
Institute of High-Current Electronics, Siberian Branch, Russian Academy of Sciences
Author for correspondence.
Email: koshelev@lhfe.hcei.tsc.ru
Tomsk, 634055 Russia
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