The NRL 85 GHz quasioptical gyroklystron experiment

R. P. Fischer

doi:10.1117/12.2298244

14 December 1992 The NRL 85 GHz quasioptical gyroklystron experiment

R. P. Fischer

Proceedings Volume 1929, 17th International Conference on Infrared and Millimeter Waves; 19293J (1992) https://doi.org/10.1117/12.2298244
Event: 17th International Conference on Infrared and Millimeter Waves, 1992, Pasadena, CA, United States

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.

Citation Download Citation

R. P. Fischer "The NRL 85 GHz quasioptical gyroklystron experiment", Proc. SPIE 1929, 17th International Conference on Infrared and Millimeter Waves, 19293J (14 December 1992); https://doi.org/10.1117/12.2298244

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