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Proceedings Paper

Theoretical and experimental analysis of plasmonic resonances in infrared metamaterials under normal to plane incidence
Author(s): Boubacar Kanté; André de Lustrac; Frédérique Gadot
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Paper Abstract

Metamaterials have attracted much interest since their realization by Smith et al. [2]. A few research teams all other the world are making them a reality in the infrared and optical regime. Following the theoretical study of C. Rockstuhl et al. [4], we have fabricated various metamaterial structures derived from the combination of SRR (Split Ring Resonators) and nano-continuous wires by diminishing the size of the legs of the SRR perpendicular to the gap. This geometrical transformation shown in the SEM (scanning electron microscope) pictures of figure 1 allows an experimental understanding of the origin of resonances in metamaterials under normal incidence. The fabrication was performed by e-beam lithography, gold on silicon. Simulations were performed using a Drude model of the electromagnetic permittivity of gold. Both measurement and simulation results lead to an accurate analyze of the plasmonic resonances of the metamaterial and open the way to their control in infrared metamaterials under normal to plane propagation.

Paper Details

Date Published: 7 May 2008
PDF: 6 pages
Proc. SPIE 6987, Metamaterials III, 698724 (7 May 2008); doi: 10.1117/12.783820
Show Author Affiliations
Boubacar Kanté, IEF, Univ. Paris-Sud (France)
André de Lustrac, IEF, Univ. Paris-Sud (France)
Frédérique Gadot, IEF, Univ. Paris-Sud (France)

Published in SPIE Proceedings Vol. 6987:
Metamaterials III
Nigel P. Johnson; Ekmel Özbay; Nikolay I. Zheludev; Richard W. Ziolkowski, Editor(s)

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