Glass-based confined structures fabricated by sol-gel and radio frequency sputtering (Articolo in rivista)

Type
Label
  • Glass-based confined structures fabricated by sol-gel and radio frequency sputtering (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1117/1.OE.53.7.071804 (literal)
Alternative label
  • Chiappini, A.a , Armellini, C.ab, Carpentiero, A.a, Vasilchenko, I.ac, Lukowiak, A.ad, Ristic, D.a, Varas, S.a, Normani, S.ac, Mazzola, M.a, Chiasera, A. (2014)
    Glass-based confined structures fabricated by sol-gel and radio frequency sputtering
    in Optical engineering (N.Y.N.Y.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Chiappini, A.a , Armellini, C.ab, Carpentiero, A.a, Vasilchenko, I.ac, Lukowiak, A.ad, Ristic, D.a, Varas, S.a, Normani, S.ac, Mazzola, M.a, Chiasera, A. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 53 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a IFN, CNR, CSMFO Laboratory, Via alla Cascata 56/C Povo, 38123 Trento, Italy b FBK, Center for Materials and Microsystems, via Sommarive 18, Povo, 38123 Trento, Italy c Università di Trento, Dipartimento di Fisica, via Sommarive 14, Povo, 38123 Trento, Italy d Institute of Low Temperature and Structure Research, PAS, Okolna 2, 50-422 Wroclaw, Poland (literal)
Titolo
  • Glass-based confined structures fabricated by sol-gel and radio frequency sputtering (literal)
Abstract
  • Some of the main results obtained in the field of glass-based photonic crystal (PC) systems using complementary techniques, such as radio frequency (RF) sputtering and sol-gel route, are presented. Initially, rare earth-activated one-dimensional PCs fabricated by RF-sputtering technique will be discussed, specifically the cavity is constituted by an Er3\+-doped SiO2 active layer inserted between two Bragg reflectors consisting of 10 pairs of SiO2/TiO2 layers. Moreover, from near infrared, transmittance and variable angle reflectance spectra have verified the presence of a stop band from 1500 to 2000 nm with a cavity resonance centered at 1749 nm at 0 deg and quality factor of 890. In the second case, a composite system based on polystyrene colloidal nanoparticles assembled and embedded in an elastomeric matrix will be presented in detail. This system has been designed as a structure that displays an iridescent green color that can be attributed to the PC effect. This feature has been exploited to create a chemical sensor; in fact optical measurements have evidenced that this system presents a different optical response as a function of the solvent applied on the surface, showing: (1) high sensitivity, (2) fast response, and (3) reversibility of the signal change. (literal)
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