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Proceedings Paper

Confined modes on a meta-surface
Author(s): Richard Razafindrakoto; Emmanuel Rousseau; Didier Felbacq; Emmanuel Kling
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Paper Abstract

Meta–surfaces or 2D metamaterials are generally considered in the far-field. Because of their resonant properties, they possess also an interesting band structure in the near-field. A meta–surface made of a set of parallel nano- wires deposited on a surface was studied. Bloch waves localized on the surface exist in the vicinity of the anti-resonances of the nano-wires. This band-structure leads to strong variations in the efficiencies of the meta- surface seen as a diffraction grating.

Paper Details

Date Published: 27 August 2014
PDF: 4 pages
Proc. SPIE 9172, Nanostructured Thin Films VII, 917203 (27 August 2014); doi: 10.1117/12.2060649
Show Author Affiliations
Richard Razafindrakoto, Lab. Charles Coulomb, CNRS, Univ. de Montpellier 2 (France)
Emmanuel Rousseau, Lab. Charles Coulomb, CNRS, Univ. de Montpellier 2 (France)
Didier Felbacq, Lab. Charles Coulomb, CNRS, Univ. de Montpellier 2 (France)
Emmanuel Kling, Sagem (France)

Published in SPIE Proceedings Vol. 9172:
Nanostructured Thin Films VII
Akhlesh Lakhtakia; Tom G. Mackay; Motofumi Suzuki, Editor(s)

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