Review of studies of superradiative microwave generation in X band and Ka band relativistic BWOs

This paper presents a review of recent studies of superradiant (SR) regime of high-power microwave generation of relativistic backward-wave tubes. The fundamental possibility of producing microwave pulses with peak power substantially exceeding the driving electron beam power was demonstrated in the...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2004-06, Vol.32 (3), p.1093-1099
Main Authors: Eltchaninov, A.A., Korovin, S.D., Mesyats, G.A., Pegel, I.V., Rostov, V.V., Shpak, V.G., Yalandin, M.I.
Format: Article
Language:English
Subjects:
Cyclotrons
DC generators
Electron beams
High power microwave generation
Microwave generation
Microwave theory and techniques
Microwaves
Oscillators
Power conversion
Resonance
Simulation
Solenoids
Strontium
Theory
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Summary:This paper presents a review of recent studies of superradiant (SR) regime of high-power microwave generation of relativistic backward-wave tubes. The fundamental possibility of producing microwave pulses with peak power substantially exceeding the driving electron beam power was demonstrated in theory and simulation. In experiments, beam-to-microwaves power conversion factors of 1.5 in the Ka band and up to 1.8 in the X band were achieved. High-efficiency Ka band generation was obtained at a low B field (2 T) below the cyclotron resonance. With the use of a dc solenoid, SR pulses were generated in a batch mode at a pulse repetition frequency of 1000-3500 Hz.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2004.828802