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10 Result(s)

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  1. No Access

    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...

    A. S. Zolot’ko, I. A. Budagovsky… in Bulletin of the Lebedev Physics Institute (2024)

  2. No Access

    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...

    I. S. Kriukova, A. Yu. Bobrovsky, I. L. Martynov… in Physics of Atomic Nuclei (2023)

  3. No Access

    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...

    I. A. Budagovsky, A. S. Zolot’ko… in Bulletin of the Lebedev Physics Institute (2020)

  4. No Access

    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...

    E. L. Bubis, I. A. Budagovsky, A. S. Zolot’ko… in Instruments and Experimental Techniques (2016)

  5. Article

    Erratum to: “Scanning Near-Field Optical Nanotomography: a New Method of Multiparametric 3D Investigation of Nanostructural Materials”

    A. E. Efimov, A. Yu. Bobrovsky, I. I. Agapov, O. I. Agapova… in Technical Physics Letters (2016)

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  6. No Access

    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...

    I. A. Budagovsky, A. S. Zolot’ko, V. N. Ochkin… in Bulletin of the Lebedev Physics Institute (2016)

  7. No Access

    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...

    A. E. Efimov, A. Yu. Bobrovsky, I. I. Agapov, O. I. Agapova… in Technical Physics Letters (2016)

  8. No Access

    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...

    I. A. Budagovsky, A. S. Zolot’ko, M. P. Smayev… in Bulletin of the Lebedev Physics Institute (2015)

  9. No Access

    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 ...

    G. K. Elyashevich, I. S. Kuryndin, V. K. Lavrentyev… in Physics of the Solid State (2012)

  10. No Access

    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 ...

    I. A. Budagovsky, A. S. Zolot’ko… in Journal of Experimental and Theoretical Ph… (2008)