We perform theoretical analysis and numerical simulation of cyclotron autoresonance masers, in which we propose using electrodynamic systems in the form of hybrid two-mirror cavities based on modified and conventional Bragg reflectors. It is shown that a stable regime of narrow-band generation with a multimegawatt power level can be achieved at a frequency of about 300 GHz in the described scheme of a generator based on a near-axis, moderately relativistic electron beam with an accelerating voltage of 500 kV and a current of 10 A, where the transverse size (diameter) of the interaction space is about 5 wavelengths and the guiding magnetic field is about 5 T.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 59, No. 12, pp. 1137–1146, November 2016.
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Ginzburg, N.S., Zaslavsky, V.Y., Malkin, A.M. et al. Application of Modified Bragg Structures in High-Power Submillimeter Cyclotron Autoresonance Masers. Radiophys Quantum El 59, 1017–1025 (2017). https://doi.org/10.1007/s11141-017-9770-6
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DOI: https://doi.org/10.1007/s11141-017-9770-6