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Efficient operation of a high-power X-band gyroklystron

Lawson, W; Calame, J; Hogan, B; Latham, P; Read, M; Granatstein, V; Reiser, M; (1991) Efficient operation of a high-power X-band gyroklystron. Physical Review Letters , 67 (4) 520 - 523. 10.1103/PhysRevLett.67.520. Green open access

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Abstract

Experimental studies of amplification in a two-cavity X-band gyroklystron are reported. The system utilizes a thermionic magnetron injection gun at voltages up to 440 kV and currents up to 190 A in 1-μs pulses. Optimum performance is achieved by tapering the magnetic-field profile. Peak powers of 20 MW in the TE01 mode at 9.87 GHz are measured with calibrated crystals and with methanol calorimetry. Resultant efficiencies are in excess of 31% and large-signal gains surpass 26 dB. The experimental results are in good agreement with simulated results from a partially self-consistent, nonlinear, steady-state code.

Type: Article
Title: Efficient operation of a high-power X-band gyroklystron
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.67.520
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.67.520
Language: English
Additional information: © 1991 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/46018
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