Switching of microwave radiation storage and output modes in superconducting resonance-cavity compressors with an interference switch

Abstract

We propose a commutator for the interference switch of microwave electromagnetic radiation on the basis of a waveguide H-junction made as a cavity with tunable parameters, which is connected to one arm of this junction. The superconducting version of a microwave compressor with such a switch is analyzed. The conditions of effective switch operation in the mode of electromagnetic energy storage and its fast output in the case of controllable manipulation of the Q-factor and resonant frequency of the switching cavity are determined. Estimates of the output parameters of the superconducting compression system are presented for storing- and switching-cavity Q-factors of about 5 10⁸. The possibility of increasing the radiated power in such a compression system by 40-60 dB for output microwave pulses with durations of about 5-10 ns is demonstrated. Variants of practical implementation of the system are considered.

Original language	English
Pages (from-to)	20-30
Number of pages	11
Journal	Radiophysics and Quantum Electronics
Volume	57
Issue number	1
DOIs	https://doi.org/10.1007/s11141-014-9490-0
Publication status	Published - 1 Jan 2014

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Electronic, Optical and Magnetic Materials
Nuclear and High Energy Physics
Astronomy and Astrophysics
Electrical and Electronic Engineering

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10.1007/s11141-014-9490-0

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abstract = "We propose a commutator for the interference switch of microwave electromagnetic radiation on the basis of a waveguide H-junction made as a cavity with tunable parameters, which is connected to one arm of this junction. The superconducting version of a microwave compressor with such a switch is analyzed. The conditions of effective switch operation in the mode of electromagnetic energy storage and its fast output in the case of controllable manipulation of the Q-factor and resonant frequency of the switching cavity are determined. Estimates of the output parameters of the superconducting compression system are presented for storing- and switching-cavity Q-factors of about 5 108. The possibility of increasing the radiated power in such a compression system by 40-60 dB for output microwave pulses with durations of about 5-10 ns is demonstrated. Variants of practical implementation of the system are considered.",

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