Observation of tunable optical filtering in photosensitive composite structures containing liquid crystals (Articolo in rivista)

Type
Label
  • Observation of tunable optical filtering in photosensitive composite structures containing liquid crystals (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1364/OL.36.004755 (literal)
Alternative label
  • G. Gilardi; L. De Sio; R. Beccherelli; R. Asquini; A. d'Alessandro; C. Umeton (2011)
    Observation of tunable optical filtering in photosensitive composite structures containing liquid crystals
    in Optics letters; Optical Society of America, New York (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • G. Gilardi; L. De Sio; R. Beccherelli; R. Asquini; A. d'Alessandro; C. Umeton (literal)
Pagina inizio
  • 4755 (literal)
Pagina fine
  • 4757 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-36-24-4755 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 36 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 24 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Dipartimento di Ingegneria dell'Informazione, Elettronica e Telecomunicazioni, Sapienza Università di Roma, via Eudossiana 18, 00184 Rome, Italy 2 Consiglio Nazionale delle Ricerche--Istituto per la Microelettronica e Microsistemi (CNR--IMM), 00133 Rome, Italy 3 LICRYL (Liquid Crystals Laboratory, Institute for Chemical Physics Processes--CNR), Centre of Excellence for the Study of Innovative Functional Materials and Department of Physics, University of Calabria, 87036 Arcavacata di Rende, Italy (literal)
Titolo
  • Observation of tunable optical filtering in photosensitive composite structures containing liquid crystals (literal)
Abstract
  • We report on the investigation and characterization of an optically tunable filtering effect, observed in a waveguide grating made of alternated strips of photocurable polymer and a mixture of azo-dye-doped liquid crystal. The grating is sandwiched between two borosilicate glasses, one of which includes an ion-exchanged channel waveguide, which confines the optical signal to be filtered. Exposure to a low power visible light beam modifies the azo- dye molecular configuration, thus allowing the filtered wavelength to be tuned over a 6.6 nm range. Simulations of the filtering response are well described with our experimental findings. (literal)
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