• DocumentCode
    824591
  • Title

    Circularly polarised mode-converting antenna

  • Author

    Yuan, C.W. ; Liu, Q.X. ; Zhong, H.H. ; Qian, B.L. ; Li, Z.Q.

  • Author_Institution
    Coll. of Optoelectric Sci. & Eng., Nat. Univ. of Defense Technol., Changsha, China
  • Volume
    42
  • Issue
    3
  • fYear
    2006
  • Firstpage
    136
  • Lastpage
    137
  • Abstract
    A novel mode converter that transforms coaxial transverse electromagnetic mode into circularly polarised coaxial TE11 mode is proposed by inserting several metal plates into the coaxial waveguide. A circularly polarised mode-converting antenna with length of 36 cm and aperture diameter of 30.8 cm is designed by combining the mode converter with a special conical horn. The antenna has a gain of 19.2 dBi with an aperture efficiency of 50% and an axial ratio of 1.2 at 4 GHz. Measured results agree well with the simulated ones.
  • Keywords
    aperture antennas; coaxial waveguides; conical antennas; electromagnetic wave polarisation; horn antennas; 30.8 cm; 36 cm; 4 GHz; circular polarised coaxial mode; circularly polarisation; coaxial transverse electromagnetic mode; coaxial waveguides; conical horns; mode converters; mode-converting antenna;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:20063673
  • Filename
    1593287
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=824591