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Based on the self‐consistent nonlinear theory, a W‐band continuous wave 30 kW fundamental harmonic gyrotron oscillator is designed and simulated. With a 30.0 kV, 3.0 A electron beam, the output power of more than 35 kW is obtained and the maximum electronic efficiency is equal to 40.3%. The effects of electron beam voltage, beam current, magnetic field intensity, guiding center radius, and velocity...
In this paper, the design and simulation of a high-frequency structure for a W-band quasi-optical gyrotron oscillator, which operates at the TE62 mode, has been presented. According to the self-consistent nonlinear theory, the parameters of the high-frequency resonator has been designed and optimized. The effects of electron beam voltage, current, velocity spread, magnetic field and electron beam...
Extensive simulations are performed to investigate a ka-band gyrotron traveling wave tube amplifier (Gyro-TWTA) with helically corrugated waveguide using three-dimensional particle-in-cell (PIC) codes. With beam energy of 80 keV, the amplifier achieved an output power of 35kW, saturated gain of 28 dB, and an efficiency of 22%.
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