The design and research of 94GHz cyclotron oscillation tube

Firstly, the paper sets up a physical model on the basic of the self-consistent nonlinear theory, then simulates the 3mm band second-harmonic gyrotron at 94GHz,finally, analyzes the simulation results of the interaction of the electron beam and wave. Specifically, the paper uses self-consistent nonlinear theory to build the model of gradual change composite cavity gyrotron, which considers the interaction of electron beam and high frequency field. Based on the established theoretical model, using self-consistent nonlinear simulation software, which can simulates harmonic complex cavity, the paper carries on large number of numerical simulations and researches the electron beam-wave interaction in 3mm band second-harmonic complex cavity, and then specifically analyzes the current parameter, voltage parameter, magnetic field coefficient, speed ratio, cavity size, which all have important effect on the interaction efficiency.