The resonance properties of coupled electromagnetic waves at frequencies of 9 and 35 GHz in the sectioned oversized slow-wave structure of a multiwave Cherenkov generator with radial polarization were investigated theoretically. It has been found how the presence of a drift tube in the slow-wave structure and the diaphragm characteristics of the structure affect the longitudinal resonance frequencies of coupled symmetric TM waves, the quality factor of the slow-wave structure, and the distribution of the electromagnetic field. The configurations of electromagnetic fields in slow-wave structures have been studied that could conceivably provide efficient coupling of the field to an electron beam and ensure stable generation of radiation in a multiwave Cherenkov generator.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 2, pp. 36–43, February, 2020.
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Chazov, V.A., Deichuly, M.P. & Koshelev, V.I. Resonance Interactions of Symmetric Surface and Bulk Waves in Oversized Sectioned Slow-Wave Structures. Russ Phys J 63, 221–230 (2020). https://doi.org/10.1007/s11182-020-02024-4
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DOI: https://doi.org/10.1007/s11182-020-02024-4