Journal of the European Optical Society - Rapid publications, Vol 7 (2012)

Asymmetric transmission and anomalous refraction in metal nanowires metasurface

A. Belardini, F. Pannone, G. Leahu, M. C. Larciprete, M. Centini, C. Sibilia, C. Martella, M. Giordano, D. Chiappe, F. Buatier de Mongeot


Here we investigated the asymmetric transmission and the anomalous refraction introduced by a metasurface of bent gold nanowires. The refraction follows the generalized Snell’s law that takes into account the resonant behavior of metallic nanostructures located at the interface between two dielectrics. Measurements performed in the linear optical regime reveal a large sensitivity to the subwavelength features of the gold nanostructures.

© The Authors. All rights reserved. [DOI: 10.2971/jeos.2012.12051]

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