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High-power operation of a K-band second harmonic gyroklystron

Lawson, W; Matthews, H; Lee, M; Calame, J; Hogan, B; Cheng, J; Latham, P; ... Reiser, M; + view all (1993) High-power operation of a K-band second harmonic gyroklystron. Physical Review Letters , 71 (3) 456 - 459. 10.1103/PhysRevLett.71.456. Green open access

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Abstract

Amplification studies of a two-cavity second-harmonic gyroklystron are reported. A magnetron injection gun produces a 440 kV, 200–245 A, 1 μs beam with an average perpendicular-to-parallel velocity ratio slightly less than 1. The TE011 input cavity is driven near 9.88 GHz and the TE021 output cavity resonates near 19.76 GHz. Peak powers exceeding 21 MW are achieved with an efficiency near 21% and a large signal gain above 25 dB. This performance represents the current state of the art for gyroklystrons in terms of the peak power normalized to the output wavelength squared.

Type: Article
Title: High-power operation of a K-band second harmonic gyroklystron
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.71.456
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.71.456
Language: English
Additional information: © 1993 The American Physical Society
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Gatsby Computational Neurosci Unit
URI: https://discovery.ucl.ac.uk/id/eprint/47313
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