Nearly zero transmission through periodically modulated ultrathin metal films

Sanshui Xiao, Jingjing Zhang, Liang Peng, Claus Jeppesen, Radu Malureanu, Anders Kristensen, Asger Mortensen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Transmission of light through an optically ultrathin metal film with a thickness comparable to its skin depth is significant. We demonstrate experimentally nearly-zero transmission of light through a film periodically modulated by a one-dimensional array of subwavelength slits. The suppressed optical transmission is due to the excitation of surface plasmon polaritons and the zero-transmission phenomenon is strongly dependent on the polarization of the incident wave.
    Original languageEnglish
    JournalApplied Physics Letters
    Volume97
    Issue number7
    ISSN0003-6951
    DOIs
    Publication statusPublished - 2010

    Keywords

    • Surface plasmons
    • Optical films
    • Light polarisation
    • Polaritons
    • Metallic thin films
    • Optical arrays
    • Light transmission

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