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


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 (međunarodna recenzija, članak, znanstveni)


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

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

Izvornik
Optics express (1094-4087) 18 (2010), 26; 26915-26928

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Surface plasmons; thin films; metamaterials

Sažetak
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.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
098-0000000-3191 - Optička svojstva nanostrukturnih slojeva (Hrvoje Zorc, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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