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Proceedings Paper

Operation Of A 140 GHz Tunable Backward Wave Gyrotron Oscillator
Author(s): W. C. Guss; K. E. Kreischer; R. J. Temkin; M. Caplan; D. Pirkle
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Paper Abstract

A tunable backward-wave oscillator (BWO) gyrotron is currently being operated at MIT which is a prototype for a FEL driver at high frequency. Novel features of this design, are the overmoded TE12 cylindrical cavity, a wide band moth-eye window, and the use of a Pierce-wiggler gun. The design objectives are voltage tuning from 130-140 GHz with 10 kW output power. The interaction region is 10λο long where λο is the free space wave length. A linear 2° uptaper is used to maintain mode purity and a broadband motheye window is used for maximum transmission.

Paper Details

Date Published: 18 November 1989
PDF: 2 pages
Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); doi: 10.1117/12.978494
Show Author Affiliations
W. C. Guss, Massachusetts Institute of Technology (United States)
K. E. Kreischer, Massachusetts Institute of Technology (United States)
R. J. Temkin, Massachusetts Institute of Technology (United States)
M. Caplan, University of California (United States)
D. Pirkle, Varian Assoc. Inc. (United States)


Published in SPIE Proceedings Vol. 1039:
13th Intl Conf on Infrared and Millimeter Waves
Richard J. Temkin, Editor(s)

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