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Phys Rev E Stat Nonlin Soft Matter Phys. 2010 May;81(5 Pt 2):057601. Epub 2010 May 12.

Optical properties of a metal film perforated with coaxial elliptical hole arrays.

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1
National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China.

Abstract

The optical properties of a metal film perforated with coaxial elliptical hole arrays have been investigated experimentally and a simple analysis model that qualitatively explains the experimental results has been presented. In our structure, two localized excitations, i.e., the short- and long-axis localized surface-plasmon modes of the elliptical nanoparticles or nanoholes can be excited, which couples, respectively, with the surface-plasmon polariton modes and causes different optical response. As a consequence, the transmission features can be manipulated by the polarization state of the incident light.

PMID:
20866361
DOI:
10.1103/PhysRevE.81.057601
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