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A. S. Zolot’Ko - IEEE Xplore Author Profile
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A. S. Zolot’Ko

Also published under: A. S. Zolot'ko

Publications
7
Citations
0
Publications by Year
20112024
Co-Authors:
Show All Co-Authors (13)
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A. S. Zolot’Ko

Also published under: A. S. Zolot'ko

Affiliation

Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, Russia

Publication Topics

Publications
7
Citations
0
Publications by Year
20112024
Co-Authors:
Show All Co-Authors (13)
Author's Published Works

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Self-Action of Structured Light Beams in Amorphous Azobenzene-Containing Polymer

I.A. Budagovsky;M.P. Smayev;A.I. Baranov;A.A. Kuznetsov;A.S. Zolot’Ko;A.Yu. Bobrovsky

2024 International Conference Laser Optics (ICLO)
Year: 2024 | Conference Paper |
The action of the light beams of various structure and their transformation in a thin layer of the polymethacrylate azobenzene-containing polymer is studied. This material shows high optical nonlinearity related to trans-cis transitions of absorbing fragments, whose reorientation can induce optical anisotropy and affect refractive indices. Additional methyl groups provide higher sensitivity in the...Show More

Self-Action of Structured Light Beams in Amorphous Azobenzene-Containing Polymer

I.A. Budagovsky;M.P. Smayev;A.I. Baranov;A.A. Kuznetsov;A.S. Zolot’Ko;A.Yu. Bobrovsky

Year: 2024 | Conference Paper |

Vortex-Generating Light-Induced Phase Converter in Azobenzene Polymer

I.A. Budagovsky;M.P. Smayev;A.S. Zolot’Ko;A.Yu. Bobrovsky

2024 International Conference Laser Optics (ICLO)
Year: 2024 | Conference Paper |
The formation of the modified area, which acts as phase converter for vortex generation, in the amorphous thin layer of the azo-containing polymer under the action of structured light beam is considered. The optical axes are produced in accordance with the polarization structure of the pump light beam. The beam with radial polarization induces the axially-symmetric optical axis distribution (simil...Show More

Vortex-Generating Light-Induced Phase Converter in Azobenzene Polymer

I.A. Budagovsky;M.P. Smayev;A.S. Zolot’Ko;A.Yu. Bobrovsky

Year: 2024 | Conference Paper |

Reconstruction of NLC Director Deformation Using a Combination of Aberration Self-Action and Polarization Microscopy Methods

I.A. Budagovsky;A.A. Kuznetsov;S.A. Shvetsov;M.P. Smayev;A.S. Zolot'ko

2022 International Conference Laser Optics (ICLO)
Year: 2022 | Conference Paper |
The processes of light-induced orientation at oblique incidence of a light beam on a dye-doped nematic liquid crystal (NLC) are experimentally studied with the simultaneous use of the methods of aberrational light beam self-action and polarization microscopy. Each method has features associated with the geometry of light propagation in an NLC, and their combination significantly expands the possib...Show More

Reconstruction of NLC Director Deformation Using a Combination of Aberration Self-Action and Polarization Microscopy Methods

I.A. Budagovsky;A.A. Kuznetsov;S.A. Shvetsov;M.P. Smayev;A.S. Zolot'ko

Year: 2022 | Conference Paper |

Image processing by means of orientational self-action of light in nematic liqud crystal

E. L. Bubis;I. V. Kuzmin;I. A. Budagovsky;S. A. Shvetsov;M. P. Smayev;A. S. Zolot'ko;A. Yu. Bobrovsky

2016 International Conference Laser Optics (LO)
Year: 2016 | Conference Paper |
The Zernike method using a nematic liquid crystal (NLC) filter with orientational optical nonlinearity was applied to visualize phase objects. It was shown that the contrast sign of the image switches by means of varying the incidence angle of a light beam on liquid crystal cell. The comparison of a contrast sign change of opaque object in the schemes based on NLC-filter and on liquid filter with ...Show More

Image processing by means of orientational self-action of light in nematic liqud crystal

E. L. Bubis;I. V. Kuzmin;I. A. Budagovsky;S. A. Shvetsov;M. P. Smayev;A. S. Zolot'ko;A. Yu. Bobrovsky

Year: 2016 | Conference Paper |

Optical vortex generation using photoinduced orientational defects in nematic liquid crystals

I. A. Budagovsky;S. A. Shvetsov;M. P. Smayev;A. S. Zolot'ko;M. I. Barnik

2016 International Conference Laser Optics (LO)
Year: 2016 | Conference Paper |
Optical vortices were generated by means of photoinduced point defects in orientation of the nematic liquid crystal (NLC). The axisymmetric distribution of NLC director field was produced due to photorefractive effect in NLC or due to isotropic channel formation in light absorbing NLC.Show More

Optical vortex generation using photoinduced orientational defects in nematic liquid crystals

I. A. Budagovsky;S. A. Shvetsov;M. P. Smayev;A. S. Zolot'ko;M. I. Barnik

Year: 2016 | Conference Paper |

Optical nonlinear response of liquid crystalline polymer

I. A. Budagovsky;V. N. Ochkin;S. A. Shvetsov;A. S. Zolot'ko;A. Yu. Bobrovsky;N. I. Boiko;V. P. Shibaev

2016 International Conference Laser Optics (LO)
Year: 2016 | Conference Paper |
Optical nonlinearity of nematic liquid crystalline polymer caused by molecular reorientation was found and investigated. Under the action of light on the polymer film, director of polymer reorients to light field increasing the refractive index. If the polymer is doped with an azobenzene compound, nonlinear response dramatically increases; in this case, the light-induced refractive index becomes n...Show More

Optical nonlinear response of liquid crystalline polymer

I. A. Budagovsky;V. N. Ochkin;S. A. Shvetsov;A. S. Zolot'ko;A. Yu. Bobrovsky;N. I. Boiko;V. P. Shibaev

Year: 2016 | Conference Paper |

Light interaction with nematic liquid crystals doped with azocompounds of different molecular weight

I.A. Budagovsky;D.S. Pavlov;S.A. Shvetsov;M.P. Smayev;A.S. Zolot'ko;N.I. Boiko;M.I. Barnik

2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC)
Year: 2011 | Conference Paper |
The presence of light-absorbing dopants in nematic liquid crystals (NLCs) can induce orientation nonlinearities conditioned by the torque due to changing the intermolecular forces at dopant excitation. It was shown that large nonlinearities are caused by high-molar-mass substances (comb-shaped polymers and the homodendrimers with the generation number m = 1,5) containing azobenzene chromophores. T...Show More

Light interaction with nematic liquid crystals doped with azocompounds of different molecular weight

I.A. Budagovsky;D.S. Pavlov;S.A. Shvetsov;M.P. Smayev;A.S. Zolot'ko;N.I. Boiko;M.I. Barnik

Year: 2011 | Conference Paper |

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