High-current Cherenkov masers: generation in the intense beam operation regime and potential for ultrawideband amplification

Anatoli S. Shlapakovski

doi:10.1117/12.147461

8 July 1993 High-current Cherenkov masers: generation in the intense beam operation regime and potential for ultrawideband amplification

Anatoli S. Shlapakovski

Author Affiliations +

Proceedings Volume 1872, Intense Microwave Pulses; (1993) https://doi.org/10.1117/12.147461
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

Important features of high-current dielectric Cherenkov masers (DCMs) connected with their possible future development are considered theoretically. The start current problem is considered for the DCM oscillator in the intense beam (two-wave) operation regime which is inevitable for low millimeter and submillimeter ranges, when the beam-dielectric gap is comparable with the wavelength. The set of equations for start current finding has been obtained taking into account the frequency dependence of the beam-wave coupling. The calculations show that the values of start current are several times greater than ones obtained under the assumption that the beam-wave coupling is constant determined at the synchronous frequency.

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Anatoli S. Shlapakovski "High-current Cherenkov masers: generation in the intense beam operation regime and potential for ultrawideband amplification", Proc. SPIE 1872, Intense Microwave Pulses, (8 July 1993); https://doi.org/10.1117/12.147461

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