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Proceedings Paper

The NRL 85 GHz quasioptical gyroklystron experiment
Author(s): R. P. Fischer
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Paper Abstract

The quasioptical gyrotron (QOG) is under development at the Naval Research Laboratory as a tunable, high power source of millimeter-wave radiation[1]. The present experiment is configured as a gyroklystron where the electron beam is prebunched in an upstream open resonator using an 85 GHz, 1.5 kW extended interaction oscillator (EIO). The gyroklystron typically operates at a beam voltage of 70 kV and a current of 0-10 A. Recent experimental results include 19% electronic efficiency in a single mode at 100 kW output power in a highly overmoded resonator. EIO mode priming, depressed collector, and phase locking results have been obtained, as well as demonstration of a new technique called alpha priming.

Paper Details

Date Published: 14 December 1992
PDF: 2 pages
Proc. SPIE 1929, 17th International Conference on Infrared and Millimeter Waves, 19293J (14 December 1992); doi: 10.1117/12.2298244
Show Author Affiliations
R. P. Fischer, U.S. Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 1929:
17th International Conference on Infrared and Millimeter Waves
Richard J. Temkin, Editor(s)

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