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Proceedings Paper

Planar-grating klystron experiment
Author(s): Yian-sun Xu; Jonathan A. Jackson; Edwin J. Price; John E. Walsh
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Paper Abstract

A coherent radiation source which uses an electron beam to drive a resonator which consists of two short sections of metal grating embedded in a parallel-plate waveguide structure has been operated in the millimeter-wavelength regime. The fields in the first of the grating sections imparts velocity modulation to the beam and the second extracts power from a bunched beam. Thus, the device functions like a twocavity klystron. However, the open quasi-optical coupling structure can be utilized at wavelengths which are shorter than those that are practicable in a conventional closed cavity Idystron design. The electron beam energy and current employed in these experiments are modest (10's ofkv and 1-2 A) and the primary motivation for the work is to develop convenient moderate power sources for various applications of millimeter- and submillimeter-wavelength radiation. It is interesting to note, however, that the topology of the resonator is similar to that used by Bugayev et al.1'2 in very-high-power radiation sources at centimeter-millimeter wavelengths.

Paper Details

Date Published: 1 April 1991
PDF: 5 pages
Proc. SPIE 1407, Intense Microwave and Particle Beams II, (1 April 1991); doi: 10.1117/12.43502
Show Author Affiliations
Yian-sun Xu, Dartmouth College (United States)
Jonathan A. Jackson, CEBAF (United States)
Edwin J. Price, Dartmouth College (United States)
John E. Walsh, Dartmouth College (United States)

Published in SPIE Proceedings Vol. 1407:
Intense Microwave and Particle Beams II
Howard E. Brandt, Editor(s)

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