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In this paper, the design of a magnetron injection gun (MIG) with a single-anode built for W-band gyrotron oscillator is presented. The simulation of the MIG is finished with the help of a trajectory program EGUN. The simulation results indicate that the velocity ratio with velocity spread of less than 4% is 1.41.
In this paper, the design and experiment of the conventional electron beam spreading system for W-band gyrotron oscillator collector is presented. The conventional spread system consists of a magnetic shade and two pairs of coils. The particle-in-cell (PIC) simulation of the collector under the conventional spreading system has been finished. The power density distribution of the electron beam on...
A W-band four-cavity gyroklystron amplifier has been studied using the particle-in-cell (PIC) code. The amplifier operates in the fundamental harmonic TE01 circular electric mode. The simulation predicts 143kw output power at W-band with 33.8% efficiency, 37dB gain and 1GHz bandwidth.
This paper presents the development of a fundamental harmonic TE01 mode W-band gyrotron backward-wave oscillator (Gyro-BWO). The MIG employs a triode configuration to generate a helical electron beam with the current of 1.5 A, the voltage of 30 kV, and a pitch factor of 1.0. A mode-converter free reflective cavity is employed. Simulation reveals that the TE01 mode reflective cavity is capable of generating...
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