High-Power Microwave Oscillator of Twistron Type with Efficiency of 55% for Electron Energy of 180 keV


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Abstract

Highly effective mode of generation of a relativistic microwave oscillator of twistron type is calculated by numerical simulation using an axisymmetric version of completely electromagnetic PiC-code KARAT. With accelerating voltage of 180 kV, electron beam current of 1.2 kA, and 1.9 T guiding magnetic field strength, the simulated stationary generation power is 120 MW at an operating frequency of 10.7 GHz. The efficiency of electron beam power conversion to electromagnetic radiation is 55%, and the electronic efficiency of the oscillator calculated from the change of the initial electron energy is 64%.

About the authors

E. M. Totmeninov

Institute of High-Current Electronics of the Siberian Branch of the Russian Academy of Sciences

Author for correspondence.
Email: totm@lfe.hcei.tsc.ru
Russian Federation, Tomsk

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