Perforating domed plasmonic films for broadband and omnidirectional antireflection
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Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
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Bin Ai1, Panpan Gu1, Helmuth Möhwald2
1State Key Lab of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P.R. China. gang@jlu.edu.cn.
Nanoscale
|August 12, 2016
Abstract:
Domed Ag nano-hole/disk array films exhibit a reflectivity of less than 0.7% over a wide spectral range (400-1000 nm) and even lower values down to 0.05% with an oblique incidence angle; this unique optical response is attributed to three key factors: diffractive scattering loss on nanostructures, localized plasmonic absorption and curved surface (domed units).
