Title :
Tunable vircators with e-beam premodulation
Author :
Korovin, S.D. ; Kitsanov, S.A. ; Klimov, A.I. ; Kurkan, I.K. ; Pegel, I.V. ; Polevin, S.D. ; Rostov, V.V. ; Tarakanov, V.P.
Author_Institution :
Inst. of High-Current Electron., Acad. of Sci., Tomsk, Russia
Abstract :
The paper describes theoretical, numerical, and experimental studies of a decimeter wavelength vircator with electron beam premodulation. Possible mechanisms for the excitation of electromagnetic oscillations in virtual cathode systems are analyzed. In experiments employing the SINUS-7 high-current repetitively-pulsed electron accelerator, single-mode microwave generation in the S-band was obtained with /spl sim/1 GW peak power and /spl sim/25 ns pulse width at about 5% efficiency. Frequency tuning and repetitive batch operation were demonstrated.
Keywords :
UHF tubes; electromagnetic oscillations; electron beams; microwave generation; modulation; tuning; vircators; 1 GW; 2.65 GHz; 25 ns; 5 percent; EM oscillations excitation; S-band operation; SINUS-7 electron accelerator; decimeter wavelength vircator; electromagnetic oscillations; electron beam premodulation; frequency tuning; high-current electron accelerator; numerical simulation; repetitive batch operation; repetitively-pulsed electron accelerator; single-mode microwave generation; tunable vircator; virtual cathode systems; Cathodes; Critical current; Electromagnetic analysis; Electron beams; Microwave devices; Microwave generation; Optical modulation; Particle beams; Radio frequency; Virtual colonoscopy;
Conference_Titel :
Pulsed Power Plasma Science, 2001. PPPS-2001. Digest of Technical Papers
Conference_Location :
Las Vegas, NV, USA
Print_ISBN :
0-7803-7120-8
DOI :
10.1109/PPPS.2001.1002141
