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Article
Self-Action of Light Beams in an Amorphous Azobenzene Polymer
We report an experimental study of the self-action of TEM01 and TEM00 Gaussian modes in a layer of a comb-shaped amorphous polymer with cyanobiphenyl and azobenzene side fragments. For the linearly polarized TEM0...
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Article
Hybrid Systems Based on Porous Silicon Photonic Crystals, Liquid Crystals, and Quantum Dots
Porous silicon (pSi) photonic crystals are of much interest for both basic and applied research. Embedding luminophores into these structures allows controlling their emissive properties, which holds promise f...
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Article
ABERRATIONAL PATTERN DURING THE SELF-ACTION OF THE ТЕМ01 MODE OF LIGHT RADIATION IN NEMATIC LIQUID CRYSTALS
Abstract—The properties of the aberrational pattern resulting from the self-action of the light radiation mode TEM01 in liquid-crystal systems are studied. It is found that the interference of light rays correspo...
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Article
Zernike filter based on orientational optical nonlinearity of liquid crystalline systems
Visualization of the phase object with the use of a phase-contrast scheme incorporating a nonlinear Zernike filter was carried out. A liquid crystal or liquid crystalline polymer doped with azobenzene dye indu...
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Article
Erratum to: “Scanning Near-Field Optical Nanotomography: a New Method of Multiparametric 3D Investigation of Nanostructural Materials”
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Article
Light-induced orientation transition in nematic liquid crystalline polymer
Optical orientation in transparent nematic liquid crystalline polymer (NLCP) was observed for the first time. In NLCP with dye dopant, the light-induced second-order orientation transition being an analogue of...
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Article
Scanning near-field optical nanotomography: a new method of multiparametric 3D investigation of nanostructural materials
A new experimental approach to multiparametric three-dimensional (3D) investigation of a broad class of composite nanostructural materials is developed on the basis of scanning near-field optical nanotomograph...
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Article
Orienting effect of light on dye-doped liquid-crystal polymer
Light-induced reorientation of the dye-doped liquid-crystal polymer director is found and studied. The director rotates from the light field direction, which corresponds to the negative optical nonlinearity. T...
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Article
Porous structure, permeability, and mechanical properties of polyolefin microporous films
Microporous films of polyolefins, namely, polyethylene and polypropylene, have been prepared using the process based on the extrusion of the melt with the subsequent annealing, uniaxial extension, and thermal ...
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Article
Orientational optical nonlinearity of nematic liquid crystals induced by high-molecular-mass azo-containing compounds
Processes of light-induced reorientation of nematic liquid-crystalline molecules induced by the addition of low concentrations (0.1–2.0 wt %) of comb-shaped polymers and carbosilane dendrimers containing azobe...
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Article
Photoinduced reorientation processes in thin films of photochromic LC polymers on substrates with a photocontrollable command surface
Orientation and reorientation processes that occur in nematic and cholesteric LC polymer systems under irradiation with plane-polarized light are studied. A copolyacrylate containing phenyl benzoate and azoben...
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Article
Photoorientation in hydrogen-bonded blends of liquid-crystalline polymers with a low-molecular photochromic dopant
A series of hydrogen-bonded blends of nematic liquid-crystalline copolymers with a low-molecular photochromic dopant and their covalent analogs were prepared. Their phase behavior and photooptical properties w...
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Article
Orientational optical nonlinearity induced by comb-shaped polymers in a nematic liquid crystal
The effect of optical orientation in nematic liquid crystals containing small additions of high-molecular compounds, i.e., comb-shaped polymers with light-absorbing azobenzene side fragments, was studied. The ...
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Article
Photochromic liquid-crystalline copolymers containing crown ether groups
An approach was developed for the synthesis of new multifunctional photosensitive liquid-crystalline copolymers of the acryl series containing azobenzene, ionophoric, and mesogenic groups in the same macromole...
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Article
Induction of a chiral nematic phase in smectic polymers
A number of new photosensitive copolyacrylates of different composition were obtained by the copolymerization of chiral photochromic benzilidene-p-menthane- 3-one acrylic monomers with a smectogenic monomer cont...
