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Experimental results on optical effects induced in epoxy resin based PDLC (Articolo in rivista)
- Type
- Label
- Experimental results on optical effects induced in epoxy resin based PDLC (Articolo in rivista) (literal)
- Anno
- 2001-01-01T00:00:00+01:00 (literal)
- Alternative label
Petti, L; Mormile, P; Blau, WJ (2001)
Experimental results on optical effects induced in epoxy resin based PDLC
in Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Petti, L; Mormile, P; Blau, WJ (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Consiglio Nazionale delle Ricerche (CNR); Trinity College Dublin (literal)
- Titolo
- Experimental results on optical effects induced in epoxy resin based PDLC (literal)
- Abstract
- A thermosetting matrix based on a bifunctional epoxy resin was employed to realize a Polymer Dispersed Liquid Crystal (PDLC) system. Two different switching effects From an opaque to a transparent state have been observed: an electro-optical one occurring at a threshold value of the applied electric field and a self-switchi effect of thermal nature, occurring at a critical incident intensity in a PDLC. The experimental results showed promisi switching times with a rise time of 200 mu sec and a decay time of 2.2 msec and an exceptionally high contrast ratio up to 430 for the electro-optical switch. The self-transparency effect is taking into account the beam profile variations of the light propagating inside such a medium. A three-dimensional analysis is reported. (literal)
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