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Mode Selection for a Terahertz Gyrotron Based on a Pulse Magnet System

Authors
  • Agusu, La1
  • Idehara, T.1
  • Dumbrajs, O.2
  • 1 Fukui University, 3-9-1 Bunkyo, Fukui-shi 910-8507, Research Center for Development of Far-Infrared Region, Japan
  • 2 Helsinki University of Technology, Department of Engineering Physics and Mathematics, HUT, 02015, Finland , HUT
Type
Published Article
Journal
International Journal of Infrared and Millimeter Waves
Publisher
Kluwer Academic Publishers-Plenum Publishers
Publication Date
Jul 01, 2004
Volume
25
Issue
7
Pages
1023–1036
Identifiers
DOI: 10.1023/B:IJIM.0000037651.80824.7a
Source
Springer Nature
Keywords
License
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Abstract

The TE6,11 mode has been selected as a candidate for the second harmonic operation of a terahertz gyrotron at 1007.68 GHz. The predicted efficiency is 8.6 percent for the output power 0.38 kW. Time-dependent, multi-mode calculations have been carried out to investigate stability of a single-mode operation at second harmonic. It has been found that with the beam current 0.111 A and the magnetic field 19.282 T the second harmonic operation in the TE6,11 mode is possible.

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