Mostrando 10 resultados de: 24
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Applied Physics Letters(3)
Optics Letters(3)
Journal of the Optical Society of America B: Optical Physics(2)
Molecular Crystals and Liquid Crystals(2)
Advanced Materials(1)
Characterization of the diffraction efficiency of new holographic gratings with a nematic film-polymer-slice sequence structure
ArticleAbstract: We have performed a first characterization of the diffraction efficiency of gratings written in liquPalabras claves:Autores:Alessandro Veltri, Caputo R., Sukhov A.V., Umeton C.P.Fuentes:googlescopusComposite holographic gratings containing light-responsive liquid crystals for visible bichromatic switching
ArticleAbstract: (Figure Presented) Polymeric microstructures, produced in a multi-step chemico-physical process, conPalabras claves:Autores:Alessandro Veltri, De Sio L., Ferjani S., Serak S., Tabiryan N.V., Umeton C.P.Fuentes:googlescopusDevelopment of a new kind of switchable holographic grating made of liquid-crystal films separated by slices of polymeric material
ArticleAbstract: We present a new kind of UV-cured holographic grating that consists of polymer slices alternated witPalabras claves:Autores:Alessandro Veltri, Caputo R., De Sio L., Sukhov A.V., Umeton C.P.Fuentes:googlescopusAll-optical switching of holographic gratings made of polymer-liquid- crystal-polymer slices containing azo-compounds
ArticleAbstract: We present the observation of an all-optical switching effect that takes place when a light beam ofPalabras claves:Autores:Alessandro Veltri, De Sio L., Serak S., Tabiryan N.V., Umeton C.P.Fuentes:googlescopusElectro-optic properties of switchable gratings made of polymer and nematic liquid-crystal slices
ArticleAbstract: We report the diffraction properties at wavelengths of 632.8 and 1550 nm for volume transmission graPalabras claves:Autores:Alessandro Veltri, Asquini R., Caputo R., d’Alessandro A., Gizzi C., Sukhov A.V., Umeton C.P.Fuentes:googlescopusDynamical behaviour of holographic gratings with a nematic film - Polymer slice sequence structure
ArticleAbstract: We have studied the dynamical response of a new kind of holographic grating to a pulsed electric fiePalabras claves:Autores:Abbate G., Alessandro Veltri, Caputo R., Marino A., Tkachenko V., Umeton C.P., Vita F.Fuentes:googlescopusDynamical behaviour of holographic polymer-liquid crystal gratings
Conference ObjectAbstract: The dynamical behavior of holographic polymer-liquid crystal grating was investigated. This gratingPalabras claves:Autores:Abbate G., Alessandro Veltri, Caputo R., Marino A., Tkachenko V., Umeton C.P., Vita F.Fuentes:googlescopusNematic liquid crystals used to control photo-thermal effects in gold nanoparticles
Conference ObjectAbstract: We report on photo-thermal effects observed in gold nanoparticles (GNPs) dispersed in Nematic LiquidPalabras claves:Nanoparticles, NLC, thermal effectAutores:Alessandro Veltri, Curri M.L., De Sio L., Palermo G., Pezzi L., Placido T., Tabiryan N.V., Umeton C.P.Fuentes:googlescopusNovel permanent and electrically switchable diffraction gratings made of polymeric slides and nematic liquid crystal layers
Conference ObjectAbstract: A POLYCRIPS grating was obtained by filling a 11.5 μm thick cell, made of indium tin oxide (ITO) coaPalabras claves:Autores:Alessandro Veltri, Asquini R., Caputo R., d’Alessandro A., Gizzi C., Umeton C.P.Fuentes:googlescopusObservation of two-wave coupling during the formation of POLICRYPS diffraction gratings
ArticleAbstract: We report on the experimental observation of two-wave mixing that occurs inside a sample between thePalabras claves:Autores:Alessandro Veltri, Caputo R., De Sio L., Sukhov A.V., Umeton C.P.Fuentes:googlescopus