Dr. Andrey V. Kovalenko Profile

Dr. Andrey V. Kovalenko

at Taras Shevchenko National Univ of Kyiv

SPIE Involvement:

Author

Publications (20)

Proceedings Article | 5 January 2024 Paper

Increasing enhancement factor in wavefront shaping by means of spatial filtering

Andrey Kovalenko, Oleksandr Danko, Volodymyr Danko

Proceedings Volume 12938, 129381Z (2024) https://doi.org/10.1117/12.3014659

KEYWORDS: Spatial light modulators, Binary data, Amplitude modulation, Spatial filtering, Phase shift keying, Wavefronts, Phase modulation, Modulation, Linear filtering, Tunable filters

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Proceedings Article | 21 December 2021 Paper

Simulation of wavefront shaping through scattering media

Volodymyr Danko, Oleksandr Danko, Andrey Kovalenko

Proceedings Volume 12126, 121260Z (2021) https://doi.org/10.1117/12.2615557

KEYWORDS: Light scattering, Computer simulations, Wavefronts, Scattering, Speckle, Scattering media, Modulation

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Proceedings Article | 6 February 2020 Paper

Reference-free wave-front sensor based on the Talbot effect

D. Brazhnikov, M. Kotov, A. Kovalenko

Proceedings Volume 11369, 113690X (2020) https://doi.org/10.1117/12.2553948

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Proceedings Article | 6 February 2020 Paper

Experimental study of light focusing through strongly scattering media using binary amplitude spatial light modulator

Oleksandr Danko, Volodymyr Danko, Andrey Kovalenko

Proceedings Volume 11369, 113691C (2020) https://doi.org/10.1117/12.2553684

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Proceedings Article | 19 July 2019 Paper

Maximum length sequence algorithm for wavefront shaping

Oleksandr Danko, Volodymyr Danko, Andrey Kovalenko, Vitalij Kurashov

Proceedings Volume 11078, 1107827 (2019) https://doi.org/10.1117/12.2526548

KEYWORDS: Spatial light modulators, Signal to noise ratio, Algorithm development, Light scattering, Wavefronts, Computer simulations

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Proceedings Article | 18 January 2018 Paper

Features of Talbot effect on phase diffraction grating

Denis Brazhnikov, Volodymyr Danko, Myhaylo Kotov, Andriy Kovalenko

Proceedings Volume 10612, 106120J (2018) https://doi.org/10.1117/12.2304904

KEYWORDS: Diffraction gratings, Phase shifts, Wavefronts, Wavefront sensors, Diffractive optical elements

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Proceedings Article | 18 January 2018 Paper

Light focusing through a multiple scattering medium: ab initio computer simulation

Oleksandr Danko, Volodymyr Danko, Andrey Kovalenko

Proceedings Volume 10612, 1061216 (2018) https://doi.org/10.1117/12.2304849

KEYWORDS: Scattering, Light scattering, Computer simulations, Gaussian beams, Particles, Multiple scattering

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Proceedings Article | 30 November 2015 Paper

Adaptive wavefront sensor based on the Talbot effect

Dmytro Podanchuk, Vitaliy Kurashov, Andrey Kovalenko, Volodymyr Dan’ko, Myhailo Kotov, Nataliya Goloborodko

Proceedings Volume 9809, 98090A (2015) https://doi.org/10.1117/12.2219744

KEYWORDS: Sensors, Wavefronts, Wavefront sensors, Monochromatic aberrations, Diffraction gratings, Spherical lenses, Spatial light modulators, Wavefront aberrations, Photodetectors, Image sensors

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Proceedings Article | 17 December 2013 Paper

Role of diffraction grating profile in the wavefront sensor based on the Talbot effect

Andrey Kovalenko, Myhailo Kotov, Vitalij Kurashov, Mariya Movchan

Proceedings Volume 9066, 90660R (2013) https://doi.org/10.1117/12.2053768

KEYWORDS: Wavefronts, Diffraction gratings, Wavefront sensors, Sensors, Binary data, Wavefront reconstruction, Spherical lenses, Image sensors, Point spread functions, Sensor performance

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Proceedings Article | 18 November 1999 Paper

Measurement of light-phase distortions in an acousto-optical deflector with Shack-Hartmann wavefront sensor

Dmitrij Podanchuk, Vitalij Kurashov, Andry Kovalenko, Volodymir Dan'ko, Alexander Yurchenko

Proceedings Volume 3904, (1999) https://doi.org/10.1117/12.370418

KEYWORDS: Bragg cells, Sensors, Wavefront sensors, Diffraction, Error analysis, Holography, CCD image sensors, Image processing, Wavefronts, Image sensors

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Proceedings Article | 1 June 1998 Paper

Aberration mapping for sight correction

Vasyl Molebny, Vitalij Kurashov, Dmitrij Podanchuk, Andry Kovalenko, Ioannis Pallikaris, Leonidas Naoumidis

Proceedings Volume 3246, (1998) https://doi.org/10.1117/12.309428

KEYWORDS: Wavefronts, Eye, Retina, Diffraction, Computer simulations, Spherical lenses, Silicon, Optimal filtering, Monochromatic aberrations, Wavefront sensors

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Proceedings Article | 22 December 1997 Paper

Double-pass wave model in eye aberrations study

Vitalij Kurashov, Vasyl Molebny, Andry Kovalenko, Dmitrij Podanchuk, Tetiana Molebna, Ioannis Pallikaris, Leonidas Naoumidis

Proceedings Volume 3192, (1997) https://doi.org/10.1117/12.297847

KEYWORDS: Eye, Eye models, Cornea, Refraction, Wavefronts, Diffraction, Retina, CCD cameras, Image processing, Wavefront sensors

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Proceedings Article | 1 December 1997 Paper

Optical recognition of one-dimensional signals represented on the phase plane

Vitalij Kurashov, Volodymir Dan'ko, Alexandr Kisil, Andry Kovalenko, Dmitrij Podanchuk

Proceedings Volume 3317, (1997) https://doi.org/10.1117/12.295719

KEYWORDS: Critical dimension metrology, Phase shift keying, Compact discs, Modulation, Signal processing, Signal detection, Optical signal processing, Transparency, Signal analyzers, Binary data

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Proceedings Article | 2 July 1997 Paper

Polarization of coherent light scattered by slab of identical particles

Vitalij Kurashov, Borys Kolisnychenko, Andry Kovalenko, Valeri Marienko

Proceedings Volume 3059, (1997) https://doi.org/10.1117/12.277610

KEYWORDS: Scattering, Polarization, Light scattering, Particles, Laser scattering, Dielectric polarization, Mie scattering, Optical spheres, Geometrical optics, Atmospheric modeling

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Proceedings Article | 9 October 1995 Paper

Regularization of inverse problem by singular value filtration

Vitalij Kurashov, Alexandr Chumakov, Andry Kovalenko

Proceedings Volume 2570, (1995) https://doi.org/10.1117/12.224172

KEYWORDS: Image processing, Distortion, Inverse problems, Image restoration, Stochastic processes, Interference (communication), Sensors, Mathematical modeling, Wavelets, Computer simulations

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Proceedings Article | 22 August 1995 Paper

Optimal sign selection for discriminant analysis of textures

Vitalij Kurashov, Andry Kovalenko, Alexandr Chumakov, Alexandr Kisil

Proceedings Volume 2564, (1995) https://doi.org/10.1117/12.217425

KEYWORDS: Transform theory, Statistical analysis, Error analysis, Mahalanobis distance, Matrices, Space operations, Modulation, Lead, Binary data, Raster graphics

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Proceedings Article | 30 September 1994 Paper

Super-resolving image restoration in Karhunen-Loeve basis

Vitalij Kurashov, Alexandr Chumakov, Alexandr Kisil, Andry Kovalenko

Proceedings Volume 2302, (1994) https://doi.org/10.1117/12.188062

KEYWORDS: Image restoration, Image processing, Super resolution, Image compression, Image filtering, Signal processing, Inverse problems, Image acquisition, Distortion, Correlation function

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Proceedings Article | 14 September 1994 Paper

Light depolarization in optical waveguides with irregular boundaries of dielectric layers

Andry Kovalenko, Vitalij Kurashov, Natalia Deriougina

Proceedings Volume 2265, (1994) https://doi.org/10.1117/12.186687

KEYWORDS: Waveguides, Refractive index, Dielectrics, Planar waveguides, Dispersion, Light scattering, Scattering, Wave propagation, Correlation function, Electromagnetic scattering

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Proceedings Article | 10 December 1993 Paper

Optoelectronic system of digital holographic image processing

Alexandr Chumakov, Alexandr Kisil, Andry Kovalenko, Vitalij Kurashov, N. Nakhodkin, Dmitrij Podanchuk

Proceedings Volume 2108, (1993) https://doi.org/10.1117/12.165403

KEYWORDS: Computing systems, Digital holography, Electronic filtering, Holography, Optical filters, Signal processing, Data processing, Image processing, Analog electronics, Optoelectronics

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Proceedings Article | 10 December 1993 Paper

Diffraction efficiency optimization of Bragg deflectors with phased acoustic arrays

Alexandr Kisil, Andry Kovalenko, Vitalij Kurashov

Proceedings Volume 2108, (1993) https://doi.org/10.1117/12.165402

KEYWORDS: Diffraction, Acoustics, Phased arrays, Ultrasonics, Phased array optics, Wavefronts, Chemical elements, Medium wave, Acousto-optics, Data processing

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Showing 5 of 20 publications

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