Repetitive } -Band Relativistic Traveling Wave Oscillator

This paper presents the results of an experimental study of a relativistic traveling wave oscillator with a tubular electron beam of enlarged cross section. Repetitively pulsed (30 Hz) generation of 10.1-GHz, 80-ns microwave pulses in 1-s batches is realized. The microwave pulse power a level of qua...

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Bibliographic Details
Published in:IEEE transactions on electron devices 2017-05, Vol.64 (5), p.2398-2402
Main Authors: Totmeninov, Eugene M., Vykhodtsev, Pavel V., Stepchenko, Alexei S., Klimov, Aleksei I.
Format: Article
Language:English
Subjects:
Antenna measurements
Cathodes
Electron beams
High-power microwaves (HPMs)
long-pulse oscillation mode
Magnetic induction
Microwave antennas
Microwave measurement
Microwave oscillators
Power efficiency
Pulse duration
Relativistic effects
relativistic electron beam
traveling wave oscillator
Traveling waves
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Summary:This paper presents the results of an experimental study of a relativistic traveling wave oscillator with a tubular electron beam of enlarged cross section. Repetitively pulsed (30 Hz) generation of 10.1-GHz, 80-ns microwave pulses in 1-s batches is realized. The microwave pulse power a level of quasi-steady-state oscillation was 220 ± 44 MW. The driving electron beam (370-keV, 2.4-kA, 107-ns pulsewidth) was transported along the interaction space by a quasi-constant (few seconds in duration) external magnetic field with an induction of 0.6 T. The power efficiency of the generator is 25% ± 5%. The energy in a single microwave pulse is about 15 J as measured with an aperture calorimeter.
ISSN:0018-9383
1557-9646
DOI:10.1109/TED.2017.2686447