Search Results - "Ferjani, Sameh"

Composite Holographic Gratings Containing Light-Responsive Liquid Crystals for Visible Bichromatic Switching by De Sio, Luciano, Serak, Svetlana, Tabiryan, Nelson, Ferjani, Sameh, Veltri, Alessandro, Umeton, Cesare

“…Polymeric microstructures, produced in a multi‐step chemico‐physical process, confine and stabilize a well‐aligned nematic liquid crystal (NLC) film, which is…”
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Mechanically generated surface chirality at the nanoscale by Ferjani, Sameh, Choi, Yoonseuk, Pendery, Joel, Petschek, Rolfe G, Rosenblatt, Charles

“…A substrate coated with an achiral polyimide alignment layer was scribed bidirectionally with the stylus of an atomic force microscope to create an easy axis…”
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Carbon nanotube-induced chirality in an achiral liquid crystal by Basu, Rajratan, Boccuzzi, Krysta A., Ferjani, Sameh, Rosenblatt, Charles

“…A small quantity of carbon nanotubes was dispersed in an achiral liquid crystal (LC), and the mixture was found to exhibit a weak degree of chirality. The…”
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Short pitch cholesteric electro-optical device based on periodic polymer structures by Carbone, Giovanni, Salter, Patrick, Elston, Steve J., Raynes, Peter, De Sio, Luciano, Ferjani, Sameh, Strangi, Giuseppe, Umeton, Cesare, Bartolino, Roberto

“…The helical flexoelectro-optic effect produces a submillisecond, temperature-independent in-plane rotation of the optical axis and is potentially interesting…”
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Mechanically generated surface chirality: Control of chiral strength by Ferjani, Sameh, Pendery, Joel, Rosenblatt, Charles

“…A substrate coated with an achiral polyimide alignment layer was scribed with the stylus of an atomic force microscope having a line-to-line force profile F A…”
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Soft Periodic Microstructures Containing Liquid Crystals by De Sio, Luciano, Ferjani, Sameh, Strangi, Giuseppe, Umeton, Cesare, Bartolino, Roberto

“…An empty polymeric structure has been realized by combining a high precision level optical holographic setup and a selective microfluidic etching process. The…”
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2D Rayleigh-Taylor instability: Interfacial arc-length vs. deformation amplitude by Renoult, Marie-Charlotte, Carles, Pierre, Ferjani, Sameh, Rosenblatt, Charles

“…Fluid interface instabilities are usually studied through the time evolution of the amplitude of deformation of the interface. While this approach is…”
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2D Rayleigh-Taylor instability: Interfacial arc-length vs. deformation amplitude by Renoult, Marie-Charlotte, Carles, Pierre, Ferjani, Sameh, Rosenblatt, Charles

“…Fluid interface instabilities are usually studied through the time evolution of the amplitude of deformation of the interface. While this approach is…”
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Coherent backscattering and dynamical light localization in liquid crystals driven throughout chaotic regimes by Carbone, Francesco, De Luca, Antonio, Barna, Valentin, Ferjani, Sameh, Vena, Carlo, Versace, Carlo, Strangi, Giuseppe

“…An important effect of dynamical localization of light waves in liquid crystal electro-hydrodynamic instabilities is reported by investigating coherent…”
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General Purpose Soft Template for Photonic Applications: From All-Optical to Electrical Reconfigurability by De Sio, Luciano, Ferjani, Sameh, Strangi, Giuseppe, Umeton, Cesare, Bartolino, Roberto

“…In this paper we report on the realization and characterization of a polymer template sculptured in photosensitive material on a chemical inert surface,…”
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Short pitch cholesteric electro-optical device based on periodicpolymer structures by Carbone, Giovanni, Salter, Patrick, Elston, Steve J., Raynes, Peter, De Sio, Luciano, Ferjani, Sameh, Strangi, Giuseppe, Umeton, Cesare, Bartolino, Roberto

“…The helical flexoelectro-optic effect produces a submillisecond, temperature-independent in-plane rotation of the optical axis and is potentially interesting…”
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Fast Electro-Optical Device Based on Chiral Liquid Crystals Encapsulated in Periodic Polymer Channels by Carbone, Giovanni, Salter, Patrick, Elston, Steve J., Raynes, Peter, Sio, Luciano De, Ferjani, Sameh, Strangi, Giuseppe, Umeton, Cesare, Bartolino, Roberto

“…The chiral flexo-electro-optic effect produces a sub-millisecond, temperature independent in-plane rotation of the optical axis and is potentially interesting…”
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Statistical analysis of random lasing emission properties in nematic liquid crystals by Ferjani, Sameh, Sorriso-Valvo, Luca, De Luca, Antonio, Barna, Valentin, De Marco, Rossana, Strangi, Giuseppe

“…A statistical analysis of random lasing events observed in dye-doped nematic-liquid-crystal films is reported. The occurrence of random laser action in such…”
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Blue-shifted random-laser-mode selection in gain-assisted anisotropic complex fluids by Veltri, Alessandro, Infusino, Melissa, Ferjani, Sameh, De Luca, Antonio, Strangi, Giuseppe

“…Random laser action in organic materials is of great topical interest that is fueled by the rapid development of active compounds and new dye molecules. We…”
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Patterning-induced surface chirality and modulation of director twist in a nematic cell by Choi, Yoonseuk, Atherton, Timothy, Ferjani, Sameh, Petschek, Rolfe G, Rosenblatt, Charles

“…A substrate coated with a polyimide alignment layer is scribed bidirectionally with the stylus of an atomic force microscope to create an easy axis for…”
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Publisher’s Note: Blue-shifted random-laser-mode selection in gain-assisted anisotropic complex fluids [Phys. Rev. E 83 , 041711 (2011)] by Veltri, Alessandro, Infusino, Melissa, Ferjani, Sameh, De Luca, Antonio, Strangi, Giuseppe

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