Abstract
The possibility is shown of creating a new low-voltage multibeam oscillator of monotron type operating in the K band of wavelengths. The operating principle of this device is based on autogeneration of electromagnetic oscillations during the interaction of a multibeam electron stream with a high-frequency electric field of π type in a two-gap slot resonator having high-frequency voltages across gaps with different amplitudes. The results of theoretical and experimental studies of a 19-beam prototype of the device are presented. For the first time, a microwave-emission power of more than 600 W was obtained experimentally with an electronic efficiency of 45% and a total efficiency of 30% at an accelerating voltage of 2.6 kV and a frequency of 18.14 GHz.
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Original Russian Text © V.A. Tsarev, V.Yu. Muchkaev, P.D. Shalaev, 2014, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2014, Vol. 40, No. 7, pp. 25–34.
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Tsarev, V.A., Muchkaev, V.Y. & Shalaev, P.D. Studying a multibeam microwave drift-tube K-band oscillator with an electrodynamic system of two slot-coupled resonators. Tech. Phys. Lett. 40, 288–292 (2014). https://doi.org/10.1134/S1063785014040117
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DOI: https://doi.org/10.1134/S1063785014040117