EPJ Web of Conferences (Jan 2015)

Remote-Steering Launchers for the ECRH system on the Stellarator W7-X

  • Kasparek W.,
  • Lechte C.,
  • Plaum B.,
  • Zeitler A.,
  • Erckmann V.,
  • Laqua H.P.,
  • Weißgerber M.,
  • Bechtold A.,
  • Busch M.,
  • Szcepaniak B.

DOI
https://doi.org/10.1051/epjconf/20158704005
Journal volume & issue
Vol. 87
p. 04005

Abstract

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For electron cyclotron resonance heating of the stellarator W7-X at IPP Greifswald, a 140 GHz/10 MW cw millimeter wave system is in construction. Two out of 12 launchers will employ a remote-steering design. This paper describes the overall design of the two launchers, and design issues like input coupling structures, manufacturing of corrugated waveguides, optimization of the steering range, integration of vacuum windows, mitrebends and vacuum valves into the launchers, as well as tests of prototype parts.