Bunch Beam Production And Microwave Generation In Reditrons

Thomas J. T. Kwan; Harold A. Davis; Robert D. Fulton; Eugene G. Sherwood

doi:10.1117/12.951787

25 July 1989 Bunch Beam Production And Microwave Generation In Reditrons

Thomas J. T. Kwan, Harold A. Davis, Robert D. Fulton, Eugene G. Sherwood

Proceedings Volume 1061, Microwave and Particle Beam Sources and Directed Energy Concepts; (1989) https://doi.org/10.1117/12.951787
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

We have discovered in our two-dimensional particle-in-cell simulations that the oscillation of virtual cathodes in reditrons can produce a highly modulated electron beam. Full (100%) current modulation of the leakage electron beam was observed in our simulations. The modulation is at the frequency of the oscillating virtual cathode and the transverse magnetic mode generated by the reditron. We had further incorporated an inverse diode with a line impedance of 50 ohms in the reditron and showed that 28% of the kinetic energy of the modulated electron beam was converted into transverse electromagnetic waves with peak power of 1 GW.

Citation Download Citation

Thomas J. T. Kwan, Harold A. Davis, Robert D. Fulton, and Eugene G. Sherwood "Bunch Beam Production And Microwave Generation In Reditrons", Proc. SPIE 1061, Microwave and Particle Beam Sources and Directed Energy Concepts, (25 July 1989); https://doi.org/10.1117/12.951787

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