• DocumentCode
    1685668
  • Title

    Tapered gold helices as high-extinction-ratio, broadband circular polarizer

  • Author

    Gansel, Justyna K. ; Latzel, Michael ; Frölich, Andreas ; Kaschke, Johannes ; Thiel, Michael ; Wegener, Martin

  • Author_Institution
    Inst. of Appl. Phys., Karlsruhe Inst. of Technol. (KIT), Karlsruhe, Germany
  • fYear
    2012
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    Tapering is shown to further extend the bandwidth of three-dimensional gold-helix metamaterials as broadband circular polarizers to about 1.5 octaves. Furthermore, the extinction ratio is improved. Theory and experiment show good agreement.
  • Keywords
    gold; metamaterials; optical polarisers; Au; broadband circular polarizer; extinction ratio; tapered gold helices; three-dimensional gold-helix metamaterials; Bandwidth; Broadband antennas; Broadband communication; Gold; Metamaterials; Nanostructures; Polarization;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2012 Conference on
  • Conference_Location
    San Jose, CA
  • Print_ISBN
    978-1-4673-1839-6
  • Type

    conf

  • Filename
    6326870