Abstract
A new type of high-power electronic device—a gyroton with a corrugated resonator—is described and investigated. Spatial bunching of the electron beam does not occur in this device, however, highly efficient electron beam power conversion into the rotating electromagnetic field power is possible. The rectilinear electron beam deviates from the axis by the slow TM11 wave, then it gives up longitudinal energy to the same wave with more than 78% efficiency, and an output power up to 30 MW. The developed mathematical model of the interaction of the relativistic electron beam with an irregular circular waveguide and resonator fields presented in this article can be used to calculate and optimize the processes occurring in various microwave electronic devices, such as gyrotrons, gyrotons, TWT, Gyro-TWT, and BWT.
Highlights
Gyrotons are perspective devices of high-power microwave and plasma electronics
This is the fundamental difference between a gyroton and a gyrotron: where the transverse bunching of the spiral electron beam occurs in the usually symmetrical TE fields of a smooth waveguide
Own software package CEDR [26], that was developed for mathematical simulation and optimization of the nonlinear and linear processes of relativistic electron beam interaction with the irregular electrodynamic systems fields, has been used in our work for the calculations in spectral domain, i.e., we have investigated the steady-state regime
Summary
Gyrotons are perspective devices of high-power microwave and plasma electronics. The principle of gyroton operation is presented in the following papers [1,2,3,4,5,6,7,8]. ThisThis makes it possible to substantially decrease the required magnetostatic field value field value to achieve the synchronism between the electron beam and the traveling slow wave. Magnetostatic field rising to the synchronous when of the gyroresonance occurs This leads to strong dependency of generationvalue efficiency onthe theregime beam thickness. EfficienciesThere for the such dependence thehigh-power proposed electron gyroton, it is possible to reach high efficiencies for the relatively in thick beams. Calculation phase velocity forofone crest for cthe maser creation idea based on the anomalous Doppler effect with revolving fields. The gyrotrons advance into range of higher frequencies is limited by the strong magnetostatic fields creation possibility As it follows from the Equations (1) and (2), gyrotons can Plasma 2019, 3 FOR PEER REVIEW operate at higher frequencies than gyrotrons for the same magnetostatic fields values.
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