Journal
APPLIED OPTICS
Volume 52, Issue 31, Pages 7479-7485Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.52.007479
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- National Sciences and Engineering Research Council of Canada
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We fabricated and tested periodic metal (Ag)-dielectric (SiO2 or TiO2) multilayers with transparency bands in the visible range. For samples with Ag-TiO2 interfaces, the optical properties exhibited relatively poor predictability, likely due to oxidation of the Ag layers. Ag/SiO2-based multilayers were found to be more predictable and stable, but the relatively low refractive index of SiO2 limits their inherent transparency and pass-band bandwidth. We show that termination of the multilayer with a single high-index layer reduces the admittance mismatch with the ambient media, and thus improves the properties of the transparency band. (C) 2013 Optical Society of America
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