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High-harmonic gyrotron with sectioned cavity

Source: Phys. Plasmas 17, 073101 (2010); doi:10.1063/1.3449593

Published 8 July 2010

KEYWORDS and PACS
Keywords
PACS
  • 84.40.Ik
    Masers; gyrotrons
  • 52.25.Fi
    Plasma transport properties
  • 52.35.-g
    Waves, oscillations, and instabilities in plasmas and intense beams
  • 52.30.Cv
    Plasma magnetohydrodynamics
  • 52.65.-y
    Plasma simulation
  • YEAR: 2010
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PUBLICATION DATA
ISSN:
1553-9601 (online)
Publisher:
AIP is a member of CrossRef AIP
I. V. Bandurkin, Yu. K. Kalynov, and A. V. Savilov
Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod 603950, Russia
High-harmonic large-orbit gyrotrons require long-length operating cavities because of both a weak electron-wave coupling and relatively low electron currents. Since diffraction Q factors of such cavities are very high, a large fraction of the radiated power is dissipated in Ohmic losses. A sectioned klystronlike cavity can be a way to combine a long electron-wave interaction region with a relatively low diffraction Q factor. In this paper, a design of a third-harmonic terahertz gyrotron is studied in detail and discussed. As compared to a regular cavity, the use of a sectioned microwave system provides an enhancement of the output rf power by several times along with the halving of the Ohmic losses. ©2010 American Institute of Physics
History: Received 19 April 2010; accepted 20 May 2010; published 8 July 2010
Permalink: http://link.aip.org/link/?PHPAEN/17/073101/1

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