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A co-harmonic gyro-monotron with a novel corrugated interaction cavity

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  • DA Constable
  • K. Ronald
  • A. D. R. Phelps
  • W. He
  • A. W. Cross
  • Andrey V. Savilov
  • Vladimir L. Bratman
  • Ilya V. Bandurkin
  • S. L. McConville
  • I. V. Konoplev
Publication date26/02/2009
Host publicationIET Conference on High Power RF Technologies
PublisherIET Press
Number of pages2
ISBN (Electronic)9781849190602
<mark>Original language</mark>English


A novel interaction cavity has been designed for a gyro-monotron, allowing co-harmonic generation at the 2nd and 4th harmonic resonances of the cyclotron frequency. The output aperture of the cavity has been designed to trap the lower harmonic, whilst allowing output of the upper harmonic. Results from recent numerical simulations, performed using MAGIC 3-D, are presented. The intended co-harmonic behaviour is observed, with simultaneous excitation of the 2nd and 4th harmonics. Refinement of the output structure is now being undertaken to ensure only the 4th harmonic signal is emitted.