Wave Propagation in Advanced Gyrotron Output Couplers

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Abstract

In this paper, we present an FFT based method for fast calculation in a mode converting overmoded circular waveguide with adaptive surface perturbations. The results of this method are compared with those of an existing integral equation approach.

Keywords

Gyrotrons Oversized waveguides Rayleigh–Sommerfeld diffraction Cylindrical wave decomposition 
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Notes

Acknowledgements

The authors would like to thank Dr. Rudolf Schneider and Dr. Stefan Kern for many fruitfull discussions.

This work was supported by Fusion for Energy under Grant F4E-2008-GRT-049 (PMS-H.CD)-01 and within the European GYrotron Consortium (EGYC). The view and opinions expressed herein do not necesserarily reflect those of the European Commission. The European Gyrotron Consortium (EGYC) is a collaboration among CRPP, Switzerland; KIT/FZK, Germany; HELLAS, Greece and CNR, Italy.

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Copyright information

© Karlsruhe Institute of Technology (KIT) 2011

Authors and Affiliations

  1. 1.Karlsruhe Institute of Technology, Association EURATOM-KITInstitute of High Frequency Techniques und ElectronicsKarlsruheGermany
  2. 2.Karlsruhe Institute of Technology, Association EURATOM-KITInstitute for Pulsed Power and Microwave TechnologyKarlsruheGermany

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