Kapitza homogenization of deep gratings for designing dielectric metamaterials (Articolo in rivista)

Type
Label
  • Kapitza homogenization of deep gratings for designing dielectric metamaterials (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1364/OL.38.003658 (literal)
Alternative label
  • Rizza, C.ab, Ciattoni, A.b (2013)
    Kapitza homogenization of deep gratings for designing dielectric metamaterials
    in Optics letters (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Rizza, C.ab, Ciattoni, A.b (literal)
Pagina inizio
  • 3658 (literal)
Pagina fine
  • 3660 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84884270871&partnerID=q2rCbXpz (literal)
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  • 38 (literal)
Rivista
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  • 18 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a Dipartimento di Scienza e Alta Tecnologia, Università dell'Insubria, via Valleggio 11, I-22100 Como, Italy b Consiglio Nazionale Delle Ricerche, CNR-SPIN, via Vetoio 1, I-67100 Coppito L'Aquila, Italy (literal)
Titolo
  • Kapitza homogenization of deep gratings for designing dielectric metamaterials (literal)
Abstract
  • Wetheoretically investigate the homogenization of the dielectric response to transverse electric waves of a transverse grating characterized by the Kapitza condition; i.e., the permittivity is rapidly modulated with a modulation depth scaling as the large wavelength-to-modulation-period ratio. We show that the resulting effective dielectric permittivity, in addition to the standard average of the underlying dielectric profile, has a further contribution arising from the fast and deep dielectric modulation. Such a contribution turns out to be comparable with the other one and hence can provide an additional method for designing dielectric metamaterials. As an example, we discuss an effective metal-to-dielectric transition produced by the Kapitza contribution obtained by changing the grating depth, a remarkable result for applications involving epsilon-near-zero metamaterial design. © 2013 Optical Society of America. (literal)
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