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Published February 24, 2016 | Published
Journal Article Open

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

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.

Additional Information

© 2016 Optical Society of America. Received 14 Jan 2016; revised 14 Feb 2016; accepted 16 Feb 2016; published 24 Feb 2016.

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August 20, 2023
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