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On the dielectric function tuning of random metal-dielectric nanocomposites for metamaterial applications (CROSBI ID 167796)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Sancho-Parramon, Jordi ; Janicki, Vesna ; Zorc, Hrvoje On the dielectric function tuning of random metal-dielectric nanocomposites for metamaterial applications // Optics express, 18 (2010), 26; 26915-26928. doi: 10.1364/OE.18.026915

Podaci o odgovornosti

Sancho-Parramon, Jordi ; Janicki, Vesna ; Zorc, Hrvoje

engleski

On the dielectric function tuning of random metal-dielectric nanocomposites for metamaterial applications

The potential of random metal-dielectric nanocomposites as constituent elements of metamaterial structures is explored. Classical effective medium theories indicate that these composites can provide a tunable negative dielectric function with small absorption losses. However, the tuning potential of real random composites is significantly lower than the one predicted by classical theories, due to the underestimation of the spectral range where topological resonances take place. This result suggests that a random mixture consisting of a metal matrix with embedded isolated dielectric inclusions is a promising design guideline for the fabrication of tunable composites for metamaterial purposes.

surface plasmons; thin films; metamaterials

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Podaci o izdanju

18 (26)

2010.

26915-26928

objavljeno

1094-4087

10.1364/OE.18.026915

Povezanost rada

Fizika

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