Title :
Sensitive Dependence of Efficiency on Cathode-Wall Position in a Coaxial Vircator—Numerical Studies
Author :
Biswas, Debabrata ; Kumar, Raghwendra
Author_Institution :
Theor. Phys. Div., BARC, Mumbai, India
fDate :
7/1/2011 12:00:00 AM
Abstract :
A simple coaxial virtual cathode oscillator is studied in this paper by varying the wall position of the cathode holder. It is shown that power surges occur at discrete reflector (wall) positions. Efficiency levels above 10% are observed for tens of nanoseconds.
Keywords :
cathodes; numerical analysis; oscillators; vircators; cathode holder; cathode-wall position; coaxial vircator; discrete reflector wall positions; numerical studies; simple coaxial virtual cathode oscillator; Anodes; Cathodes; Cavity resonators; Electron beams; Microwave oscillators; Plasmas; Microwave; open drift tube; particle-in-cell (PIC); virtual cathode oscillator (vircator);
Journal_Title :
Plasma Science, IEEE Transactions on
DOI :
10.1109/TPS.2011.2146792
