Prof. Grygorij Semenovych Tymchyk Profile

Prof. Grygorij Semenovych Tymchyk

Dean - College of Instrument Design & Engg. at National Technical Univ of Ukraine

SPIE Involvement:

Author

Publications (22)

Proceedings Article | 20 December 2023 Paper

Paper

Optical method for monitoring the state of dynamic objects in the processing of materials

Gregory Tymchyk, Volodymyr Skytsiouk, Tatiana Klotchko, Volodymyr Sevastianov, Iryna Kobylianska, Zbigniew Omiotek, Saule Rakhmetulina, Saule Kumargazhanova

Proceedings Volume 12985, 1298509 (2023) https://doi.org/10.1117/12.3022751

KEYWORDS: Signal processing, Acoustooptics, Sensors, Telecommunications, Spectrum analyzers, Materials processing, Photodetectors, Charge-coupled devices, Bragg cells, Acoustics

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Proceedings Article | 20 December 2023 Paper

Paper

Laboratory layout of a coherent optical spectrum analyzer

Mykyta Kolobrodov, Valentin Kolobrodov, Volodymyr Mykytenko, Grygoriy Tymchyk, Galyna Chernovolyk, Serhii Zahorodnii, Jacek Klimek, Aliya Kalizhanova, Ainur Kozbakova

Proceedings Volume 12985, 1298507 (2023) https://doi.org/10.1117/12.3023013

KEYWORDS: Matrices, Spatial light modulators, Digital cameras, Projection systems, Video, Image processing, Cameras, Signal processing, Tunable filters, Transparency

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Proceedings Article | 12 December 2022 Paper

Paper

Forces balance in coordinate system of object’s existence 3D space

Gregory Tymchyk, Volodymyr Skytsiouk, Tatiana Klotchko, Leonid Polishchuk, Serhii Zahorodnii, Nurbapa Mekebayev, Konrad Gromaszek

Proceedings Volume 12476, 124760U (2022) https://doi.org/10.1117/12.2659188

KEYWORDS: Analytical research, Motion models, 3D modeling, Systems modeling, Motion analysis, Complex systems, Object recognition, Manufacturing, Biomimetics, Surgery

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Proceedings Article | 12 June 2020 Paper

Paper

Relationship between the technique of integral equation and Kirchhoff approximation in scalar diffraction theory

Grygorij Tymchik, Maryna Filippova, Oleg Bezverkhyi, Waldemar Wójcik, Bakhyt Yeraliyeva, Aliya Kalizhanova, Karlygash Nurseitova

Proceedings Volume 11456, 114560A (2020) https://doi.org/10.1117/12.2569787

KEYWORDS: Scattering, Diffraction, Light scattering, Reflection, Fourier transforms, Mirrors, Statistical analysis, Reflectivity, Light sources, Metals

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Proceedings Article | 12 June 2020 Paper

Paper

Technology of infrared radiation polarizer

Valentin Kolobrodov, Grygorij Tymchik, Volodymyr Mykytenko, Anatolii Kylivnyk, Ryszard Romaniuk, Piotr Kisała, Ainur Kozbakova, Bakhyt Yeraliyeva

Proceedings Volume 11456, 1145609 (2020) https://doi.org/10.1117/12.2569786

KEYWORDS: Polarization, Polarizers, Germanium, Infrared radiation, Reflection, Transmittance, Refraction, Dielectric polarization, Birefringence, Diffraction gratings

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Proceedings Article | 12 June 2020 Paper

Paper

Design of multi-order diffractive intraocular lenses

Valentin Kolobrodov, Inna Vasylkovska, Grygorij Tymchyk, Nelia Burlaka, Andrzej Smolarz, Yedilkhan Amirgaliyev, Yerbol Turgynbekov, Ayaulym Oralbekova

Proceedings Volume 11456, 1145608 (2020) https://doi.org/10.1117/12.2569784

KEYWORDS: Intraocular lenses, Lens design, Chromatic aberrations, Diffraction, Image quality, Eye models, Eye, Refractive index

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Proceedings Article | 6 February 2020 Paper

Paper

Increase of spatial resolution of the optical spectrum analyzer

V. Kolobrodov, G. Tymchik, M. Kolobrodov

Proceedings Volume 11369, 113690E (2020) https://doi.org/10.1117/12.2551636

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Proceedings Article | 6 November 2019 Paper

Paper

Forming thermal imaging system field of view with afocal lens cap

Igor Chyzh, Valentin Kolobrodov, Volodymyr Mykytenko, Grygorij Tymchik, Paweł Komada, Ainur Kozbakova

Proceedings Volume 11176, 111760T (2019) https://doi.org/10.1117/12.2536830

KEYWORDS: Thermography, Mirrors, Vignetting, Zoom lenses, Imaging systems, Modulation transfer functions, Telescopes, Information technology, Infrared lenses, Lens design

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Proceedings Article | 6 November 2019 Paper

Paper

Expansion of the operating spectral range of the optical processor

Valentin Kolobrodov, Grygorij Tymchyk, Mykyta Kolobrodov, Andrzej Kociubinski, Nataliya Denissova, Algazy Kunbolat

Proceedings Volume 11176, 1117607 (2019) https://doi.org/10.1117/12.2536247

KEYWORDS: Modulators, Diffraction, Spectrum analysis, Signal processing, Spatial frequencies, Sensors, Diffraction gratings, Optical signal processing, Fourier transforms, Point spread functions

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Proceedings Article | 15 March 2019 Paper

Paper

Influence of the aberrations of Fourier-lens on the resolution of the digital optical processor

Valentin Kolobrodov, Grygorij Tymchyk, Mykyta Kolobrodov, Bogdan Pinchuk, Zbigniew Omiotek, Daniyar Jarykbassov, Nurbapa Mekebayev

Proceedings Volume 11045, 110450U (2019) https://doi.org/10.1117/12.2522310

KEYWORDS: Spectrum analysis, Diffraction, Spatial resolution, Signal processing, Spatial light modulators, Image resolution

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Proceedings Article | 15 March 2019 Paper

Paper

Determination of the interaction of field structures in the presence area of abstract objects

Grygorij Tymchyk, Volodymyr Skytsiouk, Tatiana Klotchko, Paweł Komada, Akmaral Tleshova, Kanat Mussabekov

Proceedings Volume 11045, 110450Y (2019) https://doi.org/10.1117/12.2522366

KEYWORDS: Magnetism, Control systems, Acoustics, Analytical research, Electromagnetism, Resistance, Diagnostics, Data processing, Measurement devices, Organisms

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Proceedings Article | 1 October 2018 Paper

Paper

The active surface of the sensor at a contact to the technological object

Gregory Tymchik, Volodymyr Skytsiouk, Tatiana Klotchko, Piotr Popiel, Kalamkas Begaliyeva

Proceedings Volume 10808, 108085G (2018) https://doi.org/10.1117/12.2501639

KEYWORDS: Sensors, Active sensors, Prisms, Transition metals, Aerospace engineering, Electronics, Information technology, Scientific research, Mathematical modeling, Control systems

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Proceedings Article | 1 October 2018 Paper

Paper

Distortion of geometric elements in the transition from the imaginary to the real coordinate system of technological equipment

Gregory Tymchyk, Volodymyr Skytsiouk, Tatiana Klotchko, Tomasz Ławicki, Natalya Denissova

Proceedings Volume 10808, 108085C (2018) https://doi.org/10.1117/12.2501624

KEYWORDS: Distortion, Transition metals, Manufacturing, Drug discovery, Mathematical modeling, Databases, System identification, Sensors, Astatine, Analytical research

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Proceedings Article | 1 October 2018 Paper

Paper

Two parameter active measuring probe for objects setting detection on CNC machines workspace

Gregory Tymchyk, Volodymyr Skytsiouk, Tatiana Klotchko, Tomasz Zyska, Saule Rakhmetullina

Proceedings Volume 10808, 108086A (2018) https://doi.org/10.1117/12.2501617

KEYWORDS: Control systems, Process control, Sensors, Signal processing, Electromagnetism, Manufacturing, Optical components, Reliability, Modulation, Optics manufacturing

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Proceedings Article | 1 October 2018 Paper

Paper

The output signal of a digital optoelectronic processor

Valentin Kolobrodov, Grygoriy Tymchyk, Mykyta Kolobrodov, Anatoliy Vasyura, Paweł Komada, Zhanar Azeshova

Proceedings Volume 10808, 108080W (2018) https://doi.org/10.1117/12.2501595

KEYWORDS: Signal processing, Modulators, Digital signal processing, Optoelectronics, Signal detection, Diffraction, Sensors, Spatial light modulators, Digital cameras, Mathematical modeling

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Proceedings Article | 1 October 2018 Paper

Paper

Quality control system of well-bonded coupling fitting onto high pressure gas-main pipelines

Grigoriy Tymchik, Oleksandr Podolian, Andriy Pavlovych, Iuliia Lysenko, Paweł Komada, Ainur Kozbakova

Proceedings Volume 10808, 108085A (2018) https://doi.org/10.1117/12.2501594

KEYWORDS: Control systems, Metals, Process control, Sensors, Data processing, Mechanical efficiency, Calibration, Polymerization, Information technology, Telecommunications

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Proceedings Article | 1 October 2018 Paper

Paper

Automated generation of the design solution of the assembly in instrument engineering

Grigory Tymchik, Nataliia Stelmakh, Anatoliy Vasyura, Waldemar Wójcik, Kuanysh Muslimov

Proceedings Volume 10808, 1080828 (2018) https://doi.org/10.1117/12.2501560

KEYWORDS: Computer aided design, Assembly equipment, Gold, Mathematical modeling, Instrumentation engineering, Manufacturing, Solid modeling, Computing systems, Product engineering, Software development

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Proceedings Article | 18 January 2018 Paper

Paper

Limit characteristics of digital optoelectronic processor

V. Kolobrodov, G. Tymchik, M. Kolobrodov

Proceedings Volume 10612, 106120L (2018) https://doi.org/10.1117/12.2291984

KEYWORDS: Optoelectronics, Spectral resolution

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Proceedings Article | 7 August 2017 Paper

Paper

Diagnosis abnormalities of limb movement in disorders of the nervous system

Gregory Tymchik, Volodymyr Skytsiouk, Tatiana Klotchko, Halyna Bezsmertna, Waldemar Wójcik, Saule Luganskaya, Zhassulan Orazbekov, Aigul Iskakova

Proceedings Volume 10445, 104453S (2017) https://doi.org/10.1117/12.2281000

KEYWORDS: Nervous system, Parkinson's disease

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Proceedings Article | 7 August 2017 Paper

Paper

Spaceborne linear array imager's spatial resolution for arbitrary viewing angles

Valentin Kolobrodov, Catherine Dobrovolska, Volodymyr Mykytenko, Grygorij Tymchik, Volodymyr Tiagur, Paweł Komada, Assel Mussabekova, Aliya Targeusizova, Aigul Iskakova

Proceedings Volume 10445, 104450J (2017) https://doi.org/10.1117/12.2280909

KEYWORDS: Spatial resolution, Imaging arrays, Remote sensing, Detector arrays, Sensors, Modulation transfer functions, Imaging systems, Satellites, Image quality, Image resolution, Optical components, Image sensors

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Proceedings Article | 30 November 2015 Paper

Paper

The diffraction limit of an optical spectrum analyzer

V. Kolobrodov, G. Tymchik, M. Kolobrodov

Proceedings Volume 9809, 98090F (2015) https://doi.org/10.1117/12.2228534

KEYWORDS: Spectrum analysis, Diffraction, Near field diffraction, Spatial frequencies, Geometrical optics, Transparency, Mathematical modeling, Neodymium, Free space, Single photon emission computed tomography

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Proceedings Article | 17 December 2013 Paper

Paper

The problems of designing coherent spectrum analyzers

V. Kolobrodov, G. Tymchik, Q. Nguyen

Proceedings Volume 9066, 90660N (2013) https://doi.org/10.1117/12.2049587

KEYWORDS: Spatial frequencies, Transparency, Spectrum analysis, Spectral resolution, Geometrical optics, Transmittance, CCD image sensors, Sensors, Thermography, Radio optics

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Showing 5 of 22 publications

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