• DocumentCode
    644518
  • Title

    Reflection of gyrotron TE0n modes at open-ended circular waveguide

  • Author

    Thumm, Manfred ; Kasparek, Walter ; Wagner, Dietmar ; Wien, A.

  • Author_Institution
    Karlsruhe Inst. of Technol., EURATOM, Karlsruhe, Germany
  • fYear
    2013
  • fDate
    1-6 Sept. 2013
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    Reflection of TE0n modes (n = 1-6) at an oversized, open-ended circular waveguide was investigated theoretically employing scattering matrix codes, a FDTD code and UTD as well as the first time experimentally. The measurements utilized mode converters for generation of pure TE0n modes and a wavenumber spectrometer for directive mode analysis in the oversized waveguide. The computed total power reflection is 4.1 to 13.4 dB lower than calculated from free space wave and waveguide mode impedances, in agreement with experiments.
  • Keywords
    circular waveguides; finite difference time-domain analysis; gyrotrons; spectrometers; FDTD code; UTD; directive mode analysis; free space wave; gyrotron reflection; open-ended circular waveguide; oversized waveguide; scattering matrix codes; spectrometer; waveguide mode impedances; Finite difference methods; Time-domain analysis; Transmission line matrix methods;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on
  • Conference_Location
    Mainz
  • Type

    conf

  • DOI
    10.1109/IRMMW-THz.2013.6665486
  • Filename
    6665486
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=644518