Mostrando 10 resultados de: 29
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Molecular Crystals and Liquid Crystals(5)
Journal of the Optical Society of America B: Optical Physics(3)
Optics Letters(3)
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Imprenta y actividades conexas(9)
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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:googlescopusDesigns for electromagnetic cloaking a three-dimensional arbitrary shaped star-domain
ArticleAbstract: The design of electromagnetic cloaks based on the coordinate transformation requires a suitable geomPalabras claves:Autores:Alessandro VeltriFuentes:googlescopusGain-Assisted Optomechanical Position Locking of Metal/Dielectric Nanoshells in Optical Potentials
ArticleAbstract: We investigate gain-assisted optical forces on dye-enriched silver nanoshell in the quasi-static limPalabras claves:gain materials, nanoshells, Optical manipulation, Optical trappingAutores:Alessandro Veltri, Jonathan Sánchez, Maragó O.M., Maria Antonia Iatì, Melissa Infusino, Patti F., Polimeno P., Saija R., Volpe G.Fuentes:googlescopusGain-driven singular resonances in active core-shell and nano-shell plasmonic particles
ArticleAbstract: Within the frame of a simple, long-wavelength, quasi-static description, we present a theoretical chPalabras claves:Autores:Alessandro Veltri, Aradian A., Caicedo K., Cathey A., Melissa InfusinoFuentes: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:googlescopusNematic liquid crystal cells for optical spatial solitons (nematicons)
Conference ObjectAbstract: The study of optical solitons and light filaments steering in liquid crystals requires utilization oPalabras claves:Liquid crystals, Optical devices, SolitonsAutores:Alberucci A., Alessandro Veltri, Assanto G., Conti C., Coschignano G., Luca A.D.E., Peccianti M., Pezzi L., 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:googlescopus