Sensitivity of wood-rayleigh anomalies in metallic nanogratings (Contributo in atti di convegno)

Type
Label
  • Sensitivity of wood-rayleigh anomalies in metallic nanogratings (Contributo in atti di convegno) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/978-3-319-00684-0-46 (literal)
Alternative label
  • Ricciardi A.; Savoia S.; Crescitelli A.; Galdi V.; Cusano A.; Esposito E. (2014)
    Sensitivity of wood-rayleigh anomalies in metallic nanogratings
    in 17th National Conference on Sensors and Microsystems; Brescia; Italy; 5 February 2013
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ricciardi A.; Savoia S.; Crescitelli A.; Galdi V.; Cusano A.; Esposito E. (literal)
Pagina inizio
  • 241 (literal)
Pagina fine
  • 244 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84893191416&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 268 LNEE (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 268 LNEE (literal)
Rivista
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Optoelectronics Group, Department of Engineering, University of Sannio, Corso Garibaldi 107, 82100 Benevento, Italy; Waves Group, Department of Engineering, University of Sannio, Corso Garibaldi 107, 82100 Benevento, Italy; CNR-IMM (literal)
Titolo
  • Sensitivity of wood-rayleigh anomalies in metallic nanogratings (literal)
Abstract
  • Sensing schemes based on Rayleigh anomalies (RAs) in metal nanogratings exhibit an impressive bulk refractive-index sensitivity determined solely by the grating period. However, in this work, we demonstrate that the surface sensitivity (which is a key figure of merit for label-free chemical and biological sensing scenarios) cannot be attributable to the wavelength shift of the RAs, which are completely insensitive to local refractive-index changes but rather to a strictly connected plasmonic effect. Our analysis for increasing (up to wavelength-sized) overlay thickness reveals an ultimate surface sensitivity that approaches the RA bulk value (depending solely on the grating period), which turns out to be the upper limit of grating-assisted surface plasmon polariton sensitivities. © 2014 Springer International Publishing Switzerland. (literal)
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