A plasmonic random composite with atypical refractive index | Zendy

A. Y. Elezzabi | Zendy; K. J. Chau | Zendy; Corey A. Baron | Zendy; P. Maraghechi | Zendy

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A plasmonic random composite with atypical refractive index

Author(s) -

A. Y. Elezzabi,

K. J. Chau,

Corey A. Baron,

P. Maraghechi

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.001016

Subject(s) - refractive index , dielectric , plasmon , materials science , composite number , optics , photonics , photonic crystal , optoelectronics , composite material , physics

We present a material composite consisting of randomly oriented elements governed by non-resonant interactions. By exploiting near-field plasmonic interaction in a dense ensemble of subwavelength-sized dielectric and metallic particles, we reveal that the group refractive index of the composite can be increased to be larger than the effective refractive indices of constituent metallic and dielectric parent composites. These findings introduce a new class of engineered photonic materials having customizable and atypical optical constants.

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