Theory of a planar free-electron maser with transverse electromagnetic flux circulation in a 2D Bragg mirror |
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| Authors: | N S Ginzburg V Yu Zaslavskiĭ N Yu Peskov A S Sergeev A V Arzhannikov P V Kalinin S A Kuznetsov S L Sinitskiĭ V D Stepanov |
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| Institution: | (1) Institute of Applied Physics, Russian Academy of Sciences, Nizhni Novgorod, 603950, Russia;(2) Budker Institute of Nuclear Physics, Siberian Division, Russian Academy of Sciences, pr. Akademika Lavrent’eva 11, Novosibirsk, 630090, Russia |
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| Abstract: | A planar free-electron maser with a resonator consisting of a 2D entrance Bragg mirror and a 1D exit Bragg mirror is theoretically studied in the framework of a nonstationary 2D model. In such a configuration, the 2D Bragg mirror provides synchronization of the radiation emitted by a wide (compared with the wavelength) ribbon-shaped electron beam. The transverse electromagnetic energy fluxes arising in this mirror are closed through an additional coupling waveguide, which provides a single-mode single-frequency masing regime insensitive to variation of the beam parameters over wide limits. |
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