Dynamical behaviour of holographic gratings with a nematic film - Polymer slice sequence structure (Articolo in rivista)

Type
Label
  • Dynamical behaviour of holographic gratings with a nematic film - Polymer slice sequence structure (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1140/epje/i2004-10035-y (literal)
Alternative label
  • A. Marino 1; F. Vita 1; V. Tkachenko 1; R. Caputo 2; C. Umeton 2; A. Veltri 2; G. Abbate 1 (2004)
    Dynamical behaviour of holographic gratings with a nematic film - Polymer slice sequence structure
    in The European physical journal. E, Soft matter (Print); Società Italiana di Fisica, Bologna (Italia); EDP Sciences, Les Ulis Cedex (Francia); Springer-Verlag, Berlin Heidelberg (Germania)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Marino 1; F. Vita 1; V. Tkachenko 1; R. Caputo 2; C. Umeton 2; A. Veltri 2; G. Abbate 1 (literal)
Pagina inizio
  • 47 (literal)
Pagina fine
  • 52 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://dx.doi.org/10.1140/epje/i2004-10035-y (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 15 (literal)
Rivista
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  • 6 (literal)
Note
  • Scopu (literal)
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  • 1 INFM Unità di Napoli and Dipartimento di Scienze Fisiche, Università di Napoli Federico II, Via Cinthia, M. S. Angelo 80126 Napoli, Italy; 2 Liquid Crystal Laboratory LICRYL, INFM Unità di Cosenza, CEMIF-CAL, Centro di Eccellenza and Dipartimento di Fisica, Università della Calabria, 87036 Arcavacata di Rende (CS), Italy (literal)
Titolo
  • Dynamical behaviour of holographic gratings with a nematic film - Polymer slice sequence structure (literal)
Abstract
  • We have studied the dynamical response of a new kind of holographic grating to a pulsed electric field. The structure, named POLICRYPS, consists of a sequence of homogeneous polymer slices separated by liquid-crystal films. We have found that both the rise and fall response times depend on the pulse duration and amplitude of the applied electric field. We propose a phenomenological explanation for this behaviour, outlining the possibility of getting response times of the order of 100 $\mu $s by properly choosing the pulse shape. Results are very interesting for developments in which POLICRYPS gratings could be proposed as basic elements in photonic devices for telecom applications, and induce to a deeper analysis of the microscopic interaction between liquid crystal and polymer interfaces in these samples. (literal)
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