Overmoded GW-class surface-wave microwave oscillator

Overmoded GW-class surface-wave microwave oscillator

Results of theoretical and experimental studies of a GW-class, large diameter microwave oscillator are presented. The device consists of a large cross-section (overmoded), slow-wave structure with a unique profile of wall radius specifically designed to support surface waves and to provide a strong...

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Veröffentlicht in:IEEE transactions on plasma science 2000-06, Vol.28 (3), p.550-560
Hauptverfasser: Vlasov, A.N., Shkvarunets, A.G., Rodgers, J.C., Carmel, Y., Antonsen, T.M., Abuelfadl, T.M., Lingze, D., Cherepenin, V.A., Nusinovich, G.S., Botton, M., Granatstein, V.L.
Format: Artikel
Sprache:eng
Schlagworte:
Calorimetry
Coaxial components
Cross sections
Electric potential
Electron beams
Electron emission
Insulation
Magnetic devices
Microwave devices
Microwave oscillators
Microwaves
Optical coupling
Physics
Reflectors
Surface waves
Voltage
Walls
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Beschreibung
Zusammenfassung:Results of theoretical and experimental studies of a GW-class, large diameter microwave oscillator are presented. The device consists of a large cross-section (overmoded), slow-wave structure with a unique profile of wall radius specifically designed to support surface waves and to provide a strong beam-wave coupling at moderate voltage (500 kV), an internal adjustable microwave reflector, a coaxial microwave extraction section, and a coaxial magnetically insulated field emission electron gun. In preliminary experiments carried out at 8.3 GHz, the power level exceeding 0.5 GW and efficiency of 15% have been measured calorimetrically.
ISSN:0093-3813
1939-9375
DOI:10.1109/27.887671