Fabrication and optical assessment of sol-gel-derived photonic bandgap dielectric structures (Contributo in atti di convegno)

Type
Label
  • Fabrication and optical assessment of sol-gel-derived photonic bandgap dielectric structures (Contributo in atti di convegno) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1117/12.663445 (literal)
Alternative label
  • Chiappini A., Armellini C., Bhaktha S., Chiasera A., Ferrari M., Jestin Y., Mattarelli M., Montagna M., Moser E., Nunzi Conti G., Pelli S., Righini G., Sglavo V. M (2006)
    Fabrication and optical assessment of sol-gel-derived photonic bandgap dielectric structures
    in SPIE Europe 2006 - Integrated Optics, Silicon Photonics, and Photonic Integrated Circuits, Strasbourg (France), 3-7 April 2006
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Chiappini A., Armellini C., Bhaktha S., Chiasera A., Ferrari M., Jestin Y., Mattarelli M., Montagna M., Moser E., Nunzi Conti G., Pelli S., Righini G., Sglavo V. M (literal)
Pagina inizio
  • 454 (literal)
Pagina fine
  • 463 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 6182 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • Proc. SPIE, 2006, v. 6182, p. 454-463. SPIE Proceedings Photonics Europe Conference 6182 Photonic Crystal Materials and Devices, 3-7 April 2006 Strasbourg, France. SPIE 6182 (2006) pp. 454-463 (literal)
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  • 9 (literal)
Note
  • Scopu (literal)
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  • CNR-IFN, Istituto di Fotonica e Nanotecnologie, CSMFO Group, via Sommarive 14, 38050 Povo-Trento, Italy; Dipartimento di Fisica, CSMFO Group, Università di Trento, via Sommarive 14, 38050 Povo-Trento, Italy; Laboratory of Optoelectronic Technologies, Nello Carrara Institute of Applied Physics, IFAC - CNR, Via Panciatichi 64, 1-50127 Firenze, Italy; School of Physics, University of Hyderabad, Gachibowli, Hyderabad - 500 046, India; Università degli Studi di Trento, Dipartimento di Ingegneria dei Materiali e Tecnologie Industriali, Via Mesiano 77, 38050 Trento, Italy; Enrico Fermi Center, C/o Compendio del Viminale, 00184 Roma, Italy (literal)
Titolo
  • Fabrication and optical assessment of sol-gel-derived photonic bandgap dielectric structures (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 9780819462381 (literal)
Abstract
  • We present the details of the Sol-gel processing used to synthesize silica spheres, with particular attention to the conditions that permit to tailor their dimension. We have elaborated a protocol in order to obtain silica micro spheres with low polydispersivity and we have demonstrated that large well-ordered crystals of synthetic opal, that exhibit a photonic stopband, can be produced in few days by vertical deposition and evaporation-assisted sedimentation deposition methods. Scanning electron microscope was employed to characterize the samples reflectance and transmission measurements were used to put in evidence the high quality of the realized opals. Starting from the silica spheres, core-shell-like Er3+-activated silica spheres were also prepared, where the core is the silica sphere and the shell is an Er 2O3SiO2 coating. Morphologic, structural and spectroscopic properties were investigated by scanning electron microscope and luminescence spectroscopy. The emission of 4I13/2 -> 4I15/2 of Er3+ ion transition with a 27 nm bandwidth was observed upon excitation at 514.5 nm. The 4I 13/2 level decay curves presented a single-exponential profile, with a lifetime of 12.8 ms. (literal)
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