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High power operation of an X-band gyrotwistron

Latham, P; Lawson, W; Irwin, V; Hogan, B; Nusinovich, G; Matthews, H; Flaherty, M; (1994) High power operation of an X-band gyrotwistron. Physical Review Letters , 72 (23) 3730 - 3733. 10.1103/PhysRevLett.72.3730. Green open access

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Abstract

We report the first experimental verification of a gyrotwistron amplifier. The device utilized a single 9.858 GHz, TE011 cavity, a heavily attenuated drift tube, and a long tapered output waveguide section. With a 440 kV, 200-245 A, 1 μs electron beam and a sharply tapered axial magnetic field, peak powers above 21 MW were achieved with a gain near 24 dB. Performance was limited by competition from a fundamental TE11 mode. A multimode code was developed to analyze this system, and simulations were in good agreement with the experiment.

Type: Article
Title: High power operation of an X-band gyrotwistron
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.72.3730
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.72.3730
Language: English
Additional information: © 1994 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/47508
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