An S-band multistage axial virtual cathode oscillator with efficiency enhancement for high pulsed power electromagnetic applications is presented. The Particle-in-Cell (PIC) results of the designed 5-stage Vircator, with two-step negative tapering in the reflectors, carried out by CST Studio suite 2021 simulation code show a peak power value of 5.54 GW and an efficiency value of 13.65% at 2.45 GHz, under a beam voltage and current equal to 520 kV and 20 kA, respectively.
Livreri, P., Bennardo, F., Tusa, B.F., Bia, P., Bartocci, M., Manna, A., et al. (2022). Efficiency Enhancement for an S-Band Axial Vircator Using 5-Stage Two-Step Tapered Radiators. In IEEE (pp. 83-84) [10.1109/IVEC53421.2022.10292221].
Efficiency Enhancement for an S-Band Axial Vircator Using 5-Stage Two-Step Tapered Radiators
Livreri, Patrizia
;Bennardo, Francesco;Tusa, Benito F.;
2022-01-01
Abstract
An S-band multistage axial virtual cathode oscillator with efficiency enhancement for high pulsed power electromagnetic applications is presented. The Particle-in-Cell (PIC) results of the designed 5-stage Vircator, with two-step negative tapering in the reflectors, carried out by CST Studio suite 2021 simulation code show a peak power value of 5.54 GW and an efficiency value of 13.65% at 2.45 GHz, under a beam voltage and current equal to 520 kV and 20 kA, respectively.
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