Prof. Aleksandr Ya. Bekshaev Profile

Prof. Aleksandr Ya. Bekshaev

at Odessa II Mechnikov National Univ

SPIE Involvement:

Author

Publications (37)

Proceedings Article | 4 March 2024 Paper

Pancharatnam-Berry phase in polarization sensitive optical coherence tomography

Oleg Angelsky, Claudia Zenkova, Alexander Bekshaev, Dmytro Ivanskyi

Proceedings Volume 13070, 130700G (2024) https://doi.org/10.1117/12.3014299

KEYWORDS: Polarization, Optical coherence tomography, Biological samples, Tissues, Cornea, Diagnostics, Reflection, Eye, Collagen, Birefringence

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Proceedings Article | 5 January 2024 Paper

Mechanisms of spectral sensitization of microsystems core AgBr shell

Aleksandr Tyurin, Sergei Zhukov, Aleksandr Ya. Bekshaev

Proceedings Volume 12938, 129381N (2024) https://doi.org/10.1117/12.3014219

KEYWORDS: Dyes, Microsystems, Luminescence, Emulsions, Light absorption, Absorbance, Reflection

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Proceedings Article | 5 January 2024 Paper

Bi-chromatic paraxial beam as a representative of spatio-temporal light fields: modeling abilities and restrictions

Aleksandr Bekshaev

Proceedings Volume 12938, 129380P (2024) https://doi.org/10.1117/12.3009856

KEYWORDS: Superposition, Wave propagation, Modeling, Deformation, Ultrafast phenomena, Video, Magnetism, Electric fields, Complex amplitude, Beam propagation method

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Proceedings Article | 5 January 2024 Paper

The structure of a gas flame and the mechanism of the flame front formation

Mikhail Yu. Trofimenko, Aleksandr Bekshaev, Valentin Ternovsky

Proceedings Volume 12938, 129382E (2024) https://doi.org/10.1117/12.3015614

KEYWORDS: Flame, Combustion, Mixtures, Nozzles, Image processing, Cameras, Photography, Oxidation

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Proceedings Article | 21 December 2021 Paper

Extraordinary transverse spin: hidden vorticity of the energy flow and momentum distributions in propagating light fields

A. Y. Bekshaev

Proceedings Volume 12126, 121261P (2021) https://doi.org/10.1117/12.2615939

KEYWORDS: Electromagnetism, Polarization, Waveguides, Light wave propagation, Superposition, Paraxial approximations, Interfaces

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Proceedings Article | 21 December 2021 Paper

Energy and momentum of the surface plasmon-polariton supported by a thin metal film

A. Y. Bekshaev, O. V. Angelsky

Proceedings Volume 12126, 121261Q (2021) https://doi.org/10.1117/12.2615941

KEYWORDS: Dielectrics, Metals, Thin films, Wave propagation, Electromagnetism, Dispersion, Surface plasmon polaritons

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Proceedings Article | 21 August 2020 Poster + Paper

Interaction between the molecular and aggregated states of the photosensitive organic dyes adsorbed on the surface of AgHal microcrystals

Aleksandr Tyurin, Sergei Zhukov, Aleksandr Bekshaev

Proceedings Volume 11475, 114751B (2020) https://doi.org/10.1117/12.2580279

KEYWORDS: Dye sensitized solar cells, Halogens, Silver, Luminescence, Absorption, Molecules, Molecular interactions, Molecular aggregates, Phosphorescence

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Proceedings Article | 6 February 2020 Paper

Far-field slit diffraction and express diagnostics of optical vortices

Aleksandr Bekshaev, Aleksandr Akhmerov, Vijay Kumar, R. Singh, Satyajeet Patil

Proceedings Volume 11369, 113690P (2020) https://doi.org/10.1117/12.2554919

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Proceedings Article | 6 February 2020 Paper

Singular skeleton chains formed by the quasi-plane wave and the Laguerre-Gaussian beam after passing the double-phase-ramp converter

A. Khoroshun, A. Chernikh, A. Riazantsev, O. Ryazantsev, S. Sato, Y. Kozawa, J. Masajada, A. Popiolek-Masajada, M. Szatkowski, A. Bekshaev, A. Ferrando

Proceedings Volume 11369, 113690M (2020) https://doi.org/10.1117/12.2556245

KEYWORDS: Gaussian beams, Spatial light modulators, Spiral phase plates, Diffraction, Singular optics, Beam propagation method, Metrology, Phase shift keying, Optical vortices, Wavefronts

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Proceedings Article | 6 February 2020 Paper

Electron-hole processes determining the self-desensitization of dyes on the surface of AgHal microcrystals

A. Tyurin, A. Ya. Bekshaev, S. Zhukov

Proceedings Volume 11369, 113690L (2020) https://doi.org/10.1117/12.2556080

KEYWORDS: Absorption, Silver, Phosphorescence, Luminescence, Absorption, Silver, Phosphorescence, Iodine, Adsorption, Process control, Dysprosium, Molecular interactions, Molecules, Iodine, Adsorption, Process control, Dysprosium, Molecular interactions, Molecules

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Proceedings Article | 6 February 2020 Paper

High-precision interference measurements of phase shift between orthogonal linear polarized beams at total internal reflection

O. Angelsky, A. Ya. Bekshaev, E. Kurek, A. Maksimyak, P. Maksimyak, Wenjun Yan

Proceedings Volume 11369, 113690K (2020) https://doi.org/10.1117/12.2553965

KEYWORDS: Phase shifts, Polarization, Prisms, Reflection, Phase measurement, Interferometers, Calibration, Refractive index, Helium neon lasers, Wavefronts

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Proceedings Article | 31 December 2018 Paper

Manipulation of micro-bubbles in water by CW laser

O. Angelsky, A. Ya. Bekshaev, P. Maksimyak, A. Maksimyak, B. Guo, C. Zhebo

Proceedings Volume 10977, 109771F (2018) https://doi.org/10.1117/12.2323547

KEYWORDS: Particles, Water, Thulium, Continuous wave operation, Thermography, Absorption, Nanoparticles, Infrared lasers, Infrared cameras, Infrared radiation

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Proceedings Article | 18 January 2018 Paper

Laser controllable generation and manipulation of micro-bubbles in water

O. Angelsky, A. Ya. Bekshaev, P. Maksimyak, A. Maksimyak, S. Hanson, S. Kontush

Proceedings Volume 10612, 106120T (2018) https://doi.org/10.1117/12.2304623

KEYWORDS: Particles, Liquids, Infrared radiation, Water, Nanoparticles, Refractive index, Laser damage threshold, Continuous wave operation, Glasses, CCD cameras

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Proceedings Article | 18 January 2018 Paper

Laguerre-Gaussian beam transformations by the double-phase-ramp converter: singular skeleton formation and its sensitivity to small misalignments

Anna Khoroshun, Aleksey Chernykh, Halyna Tatarchenko, Aleksandr Ya. Bekshaev, Aleksandr Akhmerov

Proceedings Volume 10612, 1061203 (2018) https://doi.org/10.1117/12.2303901

KEYWORDS: Diagnostics, Metrology, Singular optics, Beam propagation method, Wavefronts, Spatial light modulators, Optical components, Optical vortices

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Proceedings Article | 30 November 2015 Paper

Anion-dye-induced spectral sensitization of holographic microsystems core-silver halide shell

A. Tyurin, S. Zhukov, V. Churashov, A. Bekshaev

Proceedings Volume 9809, 98090E (2015) https://doi.org/10.1117/12.2224931

KEYWORDS: Holography, Microsystems, Silver, Luminescence, Dysprosium, Absorption, High power microwaves, Molecular aggregates, Absorbance, Ions

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Proceedings Article | 30 November 2015 Paper

Edge diffraction of optical-vortex beams formed by means of the fork hologram

Aleksey Chernykh, Aleksandr Bekshaev, Anna Khoroshun, Lidiya Mikhaylovskaya, Aleksandr Akhmerov, Kadhim Mohammed

Proceedings Volume 9809, 980902 (2015) https://doi.org/10.1117/12.2220398

KEYWORDS: Diffraction, Holograms, Beam propagation method, Beam splitters, Wavefronts, Gaussian beams, Diffraction gratings, Charge-coupled devices, Optical vortices, Spiral phase plates

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Proceedings Article | 17 December 2013 Paper

Transverse energy redistribution upon edge diffraction of a paraxial laser beam with optical vortex

Aleksandr Bekshaev, Kadhim Ameen Mohammed

Proceedings Volume 9066, 906602 (2013) https://doi.org/10.1117/12.2050875

KEYWORDS: Virtual colonoscopy, Diffraction, Beam propagation method, Optical vortices, Wavefronts, Spiral phase plates, Wave propagation, Phase shift keying, Metrology, Light wave propagation

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Proceedings Article | 10 June 2013 Paper

Circular motion of particles by the help of the spin part of the internal energy flow

O. Angelsky, A. Bekshaev, P. Maksimyak, A. Maksimyak, C. Zenkova, N. Gorodynska

Proceedings Volume 8882, 88820A (2013) https://doi.org/10.1117/12.2032343

KEYWORDS: Particles, Dielectric polarization, Polarization, Near field optics, Electromagnetism, Switching, Radio propagation, Motion measurement, Wavefronts, Molybdenum

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Proceedings Article | 1 November 2012 Paper

The mechanical action of the spin part of the internal energy flow

O. Angelsky, A. Bekshaev, P. Maksimyak, C. Zenkova, A. Maksimyak, N. Gorodynska

Proceedings Volume 8411, 841102 (2012) https://doi.org/10.1117/12.965532

KEYWORDS: Particles, Polarization, Beam propagation method, Visualization, Objectives, Gaussian beams, Motion detection, Optical manipulation, Electromagnetism, Photons

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Proceedings Article | 23 November 2011 Paper

Transformation of the optical vortex light beams in holographic elements with embedded phase singularities

S. Sviridova, A. Bekshaev

Proceedings Volume 8338, 83380A (2011) https://doi.org/10.1117/12.918319

KEYWORDS: Computer generated holography, Holograms, Data modeling, Diffraction, Spiral phase plates, Optical vortices, Wavefronts, Holography, Gaussian beams, Optical components

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Proceedings Article | 31 December 2009 Paper

Deformation and collapse of the higher-order optical vortices obtained by large-angle diffraction in computer-generated holograms

Aleksandr Bekshaev, Oksana Orlinska

Proceedings Volume 7388, 738804 (2009) https://doi.org/10.1117/12.848199

KEYWORDS: Diffraction, Computer generated holography, Gaussian beams, Wavefronts, Diffraction gratings, Beam propagation method, Optical vortices, Spherical lenses, Beam shaping, Visualization

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Proceedings Article | 22 April 2008 Paper

Spatial behavior of a vortex light beam produced by a diffraction grating with embedded phase singularity

Aleksandr Bekshaev, Aleksandr Karamoch

Proceedings Volume 7008, 700806 (2008) https://doi.org/10.1117/12.796449

KEYWORDS: Computer generated holography, Diffraction, Diffraction gratings, Wavefronts, Gaussian beams, Spiral phase plates, Beam propagation method, Beam shaping, Optical vortices, Superposition

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Proceedings Article | 27 July 2007 Paper

Transverse energy flows in vectorial fields of paraxial light beams

Aleksandr Bekshaev, Marat Soskin

Proceedings Volume 6729, 67290G (2007) https://doi.org/10.1117/12.751952

KEYWORDS: Polarization, Amplitude modulation, Wavefronts, Oscillators, Beam propagation method, Singular optics, Electromagnetism, Radio propagation, Absorption, Chemical species

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Proceedings Article | 14 June 2006 Paper

Large-scale 3D structure and mechanical properties of rotating light beams

Aleksandr Bekshaev, Aleksandr Karamoch

Proceedings Volume 6254, 625406 (2006) https://doi.org/10.1117/12.679901

KEYWORDS: Superposition, Beam propagation method, Amplitude modulation, Photons, Solitons, Optical vortices, Radio propagation, Wavefronts, Beam shaping, Spiral phase plates

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Proceedings Article | 14 June 2006 Paper

Spin angular momentum of inhomogeneous and transversely limited light beams

Aleksandr Bekshaev

Proceedings Volume 6254, 625407 (2006) https://doi.org/10.1117/12.679902

KEYWORDS: Polarization, Electromagnetism, Diffraction, Amplitude modulation, Magnetism, Integrated optics, Paraxial approximations, Radio propagation, Electroluminescence, Superposition

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Proceedings Article | 4 June 2004 Paper

Noncollinear rotational Doppler effect

Alexander Bekshaev, Andrey Popov

Proceedings Volume 5477, (2004) https://doi.org/10.1117/12.558759

KEYWORDS: Mirrors, Doppler effect, Optical spheres, Kinematics, Phase shifts, Spiral phase plates, Superposition, Wave propagation, Physics, Motion detection

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Proceedings Article | 5 February 2002 Paper

Measurement of the orbital angular momentum of an optical beam with the help of space-angle intensity moments

Alexander Bekshaev, Andriy Popov

Proceedings Volume 4607, (2002) https://doi.org/10.1117/12.455175

KEYWORDS: Diffraction gratings, Beam shaping, Photodetectors, Mirrors, Optical testing, Beam propagation method, Beam splitters, Camera shutters, Distortion, Diffraction

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Proceedings Article | 30 May 2001 Paper

Optical system for Laguerre-Gaussian/Hermite-Gaussian mode conversion

Aleksandr Bekshaev, Andriy Popov

Proceedings Volume 4403, (2001) https://doi.org/10.1117/12.428283

KEYWORDS: Mirrors, Phase shifts, Beam shaping, Superposition, Interferometers, Camera shutters, Beam splitters, Singular optics, Diffraction, Wavefronts

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Proceedings Article | 30 May 2001 Paper

Application of light beams with nonzero angular momentum in optical study of micrometer-size aerosol particles

Aleksandr Bekshaev, Sergey Kontush, Andriy Popov, Rene Van Grieken

Proceedings Volume 4403, (2001) https://doi.org/10.1117/12.428282

KEYWORDS: Particles, Beam shaping, Atmospheric particles, Spherical lenses, Geometrical optics, Absorption, Polarization, Aerosols, Roentgenium, Wavefronts

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Proceedings Article | 18 November 1999 Paper

Mechanical properties of light waves with phase singularity

Alexander Bekshaev

Proceedings Volume 3904, (1999) https://doi.org/10.1117/12.370396

KEYWORDS: Wavefronts, Beam shaping, Mirrors, Optical components, Polarization, Beam propagation method, Electromagnetism, Phase shifts, Spiral phase plates, Light wave propagation

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Proceedings Article | 13 May 1998 Paper

Theory of optical resonator with plane-dispersive elements

Yurii Anan'ev, Alexander Bekshaev

Proceedings Volume 3267, (1998) https://doi.org/10.1117/12.308123

KEYWORDS: Resonators, Prisms, Chemical elements, Diffraction, Optical components, Tunable lasers, Optical resonators, Mirrors, Diffraction gratings, Precision measurement

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Proceedings Article | 1 May 1998 Paper

Optomechanical effect of tissue blood microcirculation under compression

Valentin Grimblatov, Alexander Bekshaev

Proceedings Volume 3253, (1998) https://doi.org/10.1117/12.308037

KEYWORDS: Blood, Tissues, Tissue optics, Scattering, Blood pressure, Lead, Sensors, Optical properties, Particles, Modulation

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Proceedings Article | 1 March 1996 Paper

Diagnostics of lens-like media with small-scale inhomogeneities by method of probing beam intensity moments

Alexander Bekshaev, Valentin Grimblatov

Proceedings Volume 2713, (1996) https://doi.org/10.1117/12.234231

KEYWORDS: Scattering, Laser scattering, Refractive index, Beam propagation method, Diagnostics, Stochastic processes, Absorption, Geometrical optics, Wavefronts, Wave propagation

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Proceedings Article | 18 December 1995 Paper

Diagnostics of lens-like biological media

Valentin Grimblatov, Alexander Bekshaev

Proceedings Volume 2626, (1995) https://doi.org/10.1117/12.228665

KEYWORDS: Scattering, Laser scattering, Diagnostics, Biomedical optics, Eye, Ophthalmology, Blood, Light scattering, Refractive index, Refraction

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Proceedings Article | 17 April 1995 Paper

Characterization of laser beams with different scale inhomogeneities by means of space-angle moments

Valentin Grimblatov, Alexander Bekshaev

Proceedings Volume 2375, (1995) https://doi.org/10.1117/12.206994

KEYWORDS: Scattering, Beam shaping, Laser scattering, Geometrical optics, Refractive index, Wavefronts, Gaussian beams, Beam propagation method, Wave propagation, Absorption

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Proceedings Article | 18 January 1995 Paper

Optical beam distortion in biotissues with large-scale inhomogeneities

Valentin Grimblatov, Alexander Bekshaev

Proceedings Volume 2323, (1995) https://doi.org/10.1117/12.199212

KEYWORDS: Diagnostics, Wavefronts, Geometrical optics, Beam propagation method, Laser scattering, Scattering, Medicine, Tissues, Eye models, Light scattering

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Proceedings Article | 31 October 1994 Paper

Intracavity diagnostics of optical inhomogeneity

Alexander Bekshaev, Valentin Grimblatov

Proceedings Volume 2113, (1994) https://doi.org/10.1117/12.191979

KEYWORDS: Resonators, Mirrors, Optical testing, Diagnostics, Spectroscopy, Laser resonators, Optical resonators, Optical fibers, Laser optics, Optical components

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Showing 5 of 37 publications

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