25 July 1989 Computer Simulation Of Phase Locking Multi-Cavity Relativistic Gyrotrons
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A particle-in-cell model has been employed to investigate the phase-locking phenomenon of multi-cavity relativistic gyrotron oscillators. Simulation results show that a prebunched beam causes the output wave to overshoot, which in turn prolongs the time for establishing phase locking. The beam axial velocity spread is observed to reduce the locking bandwidth. The phenomenon of priming or injection seeding is simulated. The phase locked time depends on the growth rate of the oscillator and the amount of inject frequency deviation from the locking boundary.
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A. T. Lin, Z. H. Yang, Chih-Chien Lin, "Computer Simulation Of Phase Locking Multi-Cavity Relativistic Gyrotrons", Proc. SPIE 1061, Microwave and Particle Beam Sources and Directed Energy Concepts, (25 July 1989); doi: 10.1117/12.951799; https://doi.org/10.1117/12.951799

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