High optical transmittance of aluminum ultrathin film with hexagonal nanohole arrays as transparent electrode

Qing Guo Du, Weisheng Yue, Zhihong Wang, Wah Tung Lau, Hengjiang Ren, Er-Ping Li

    Research output: Contribution to journalArticlepeer-review

    10 Scopus citations

    Abstract

    We fabricate samples of aluminum ultrathin films with hexagonal nanohole arrays and characterize the transmission performance. High optical transmittance larger than 60% over a broad wavelength range from 430 nm to 750 nm is attained experimentally. The Fano-type resonance of the excited surface plasmon plaritons and the directly transmitted light attribute to both of the broadband transmission enhancement and the transmission suppression dips. © 2016 Optical Society of America.
    Original languageEnglish (US)
    Pages (from-to)4680
    JournalOptics Express
    Volume24
    Issue number5
    DOIs
    StatePublished - Feb 24 2016

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