Title :
Overmoded GW-class surface wave microwave oscillator
Author :
Vlasov, Alexander N. ; Shkvarunets, A.G. ; Rodgers, Jeremy ; Carmel, Y. ; Antonsen, T.M. ; Abuelfadl, Tamer M. ; Lingze, D. ; Cherepenin, V.A. ; Nusinovich, Gregory S. ; Botton, M. ; Granatstein, V.L.
Author_Institution :
Inst. for Plasma Res., Maryland Univ., College Park, MD, USA
Abstract :
Summary form only given. 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.
Keywords :
electron guns; microwave oscillators; 0.5 GW; 500 kV; 8.3 GHz; beam-wave coupling; calorimetric measurements; coaxial magnetically insulated field emission electron gun; coaxial microwave extraction section; internal adjustable microwave reflector; large cross-section overmoded slow-wave structure; large diameter microwave oscillator; overmoded GW-class surface wave microwave oscillator; Coaxial components; Electron beams; Electron emission; Insulation; Magnetic devices; Microwave devices; Microwave oscillators; Optical coupling; Surface waves; Voltage;
Conference_Titel :
Plasma Science, 2000. ICOPS 2000. IEEE Conference Record - Abstracts. The 27th IEEE International Conference on
Conference_Location :
New Orleans, LA, USA
Print_ISBN :
0-7803-5982-8
DOI :
10.1109/PLASMA.2000.855071
