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Optical transmission of corrugated metal films on a two-dimensional hetero-colloidal crystal
The near infrared transmission of corrugated metal films deposited on hetero-colloidal crystals is investigated. The transmission response of the quasi-three-dimensional (quasi-3D) metal film is modified by controlling the nominal thickness of a dielectric layer pre-deposited on the top surface of the colloidal crystal to form a new hetero-colloidal crystal. An extraordinary optical transmission (EOT) phenomenon could be presented in such metallodielectric (MD) architectures. We have found thatdoi:10.1364/oe.20.009215 pmid:22513633 fatcat:jazqjjstfvbo5gxvk2bqvpowna