Influence of Controlled Reflected Power on Gyrotron Performance

This paper describes the reaction of a gyrotron oscillator when a very small fraction of its radiation, extracted from the main beam, is phase-modulated in a controlled way and is finally redirected back to the gyrotron. The gyrotron may exhibit a 10 % modulation of its total power even if the refle...

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Bibliographic Details
Published in:Journal of infrared, millimeter and terahertz waves millimeter and terahertz waves, 2015-12, Vol.36 (12), p.1145-1156
Main Authors: Kharchev, N., Cappa, Á., Malakhov, D., Martínez, J., Konchekov, E., Tolkachev, A., Borzosekov, V., Sarksyan, K., Petelin, M.
Format: Article
Language:English
Subjects:
Classical Electrodynamics
Electric power distribution
Electrical Engineering
Electronics and Microelectronics
Engineering
Instrumentation
Modulation
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Summary:This paper describes the reaction of a gyrotron oscillator when a very small fraction of its radiation, extracted from the main beam, is phase-modulated in a controlled way and is finally redirected back to the gyrotron. The gyrotron may exhibit a 10 % modulation of its total power even if the reflected power is lower than 1 %. Moreover, radial probing of the beam power distribution shows that the amplitude of the power modulation differs at different radial positions across the beam.
ISSN:1866-6892
1866-6906
DOI:10.1007/s10762-015-0206-0