Ms. Victoria A. Ryzhova Profile

Victoria A. Ryzhova

at ITMO Univ

SPIE Involvement:

Author

Publications (21)

Proceedings Article | 18 April 2021 Poster + Paper

Principles of experimental research of sensitivity inhomogeneity of matrix sensors

Anastasiia Chistiakova, Victoria Ryzhova, Ba Minh Dinh, Valery Korotaev

Proceedings Volume 11772, 117721O (2021) https://doi.org/10.1117/12.2589261

KEYWORDS: Photodetectors, Sensors, Calibration, Receivers, Multi-element lenses, Transducers, Photovoltaics, Systems modeling, Solid state electronics, Signal detection

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Proceedings Article | 1 April 2020 Open Access

Principles of developing of a scintillation detector based on SiPM for field gamma-spectrometry problems

Ilya Bokaty, Valery Korotaev, Victor Denisov, Victoria Ryzhova, Vladimir Aseev

Proceedings Volume 11367, 113671I (2020) https://doi.org/10.1117/12.2556078

KEYWORDS: Scintillation, Crystals, Photons, Sensors, Scintillators, Gamma radiation, Photodetectors, Detector development, Ionizing radiation

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Proceedings Article | 24 June 2019 Paper

In vivo skin surface study by scattered ellipsometry method

Anastasiia Bulykina, Victoria Ryzhova, Valery Korotaev

Proceedings Volume 11060, 110601F (2019) https://doi.org/10.1117/12.2527625

KEYWORDS: Skin, Tissue optics, Polarization, Ellipsometry, In vivo imaging, Diagnostics, Scattering, Absorption, Pathology, Chromophores

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Proceedings Article | 21 June 2019 Paper

Measurement and calculation of solid-state matrix photomultiplier’s polarization parameters

Anastasiya Lobanova, Daria Drozdova, Victoria Ryzhova

Proceedings Volume 11056, 110562Y (2019) https://doi.org/10.1117/12.2527558

KEYWORDS: Polarization, Photodetectors, Sensors, Reflection, Silicon photomultipliers, Optical components, Receivers, Silicon, Scattering, Reflectivity

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Proceedings Article | 21 June 2019 Presentation + Paper

Coded aperture imaging of high-energy radiation: modeling and primary experimental research

Anna Vasileva, Aleksandr Vasilev, Victoria Ryzhova

Proceedings Volume 11061, 1106104 (2019) https://doi.org/10.1117/12.2527270

KEYWORDS: Coded apertures, Algorithm development, Visible radiation, Laser ablation, Coded aperture imaging, Imaging systems, Reconstruction algorithms, Sensors, Spatial resolution

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Proceedings Article | 7 March 2019 Paper

The meat product quality control by a polarimetric method

Anastasia Blokhina, Maksim Kleshchenok, Ivan Nekrylov, Sergey Mednikov, Victoria Ryzhova, Igor Konyakhin

Proceedings Volume 11053, 110534D (2019) https://doi.org/10.1117/12.2513192

KEYWORDS: Polarization, Tissues, Optical fibers, Polarimetry, Tissue optics, Polarizers, Scattering, Light scattering, Anisotropy, Mathematical modeling

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Proceedings Article | 7 March 2019 Paper

Sensing the atmosphere of coastal areas of laser detection methods

Leonid Smirnov, Victoria Ryzhova, Alexander Grishkanich, Igor Konyakhin

Proceedings Volume 11053, 110530A (2019) https://doi.org/10.1117/12.2511868

KEYWORDS: Earth's atmosphere, Atmospheric sensing, Potassium, Raman scattering, Sodium, Calcium, Backscatter, Magnesium, LIDAR, Atmospheric optics

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Proceedings Article | 7 March 2019 Paper

Research of the polarization-optical parameters of a solid-state matrix photomultiplier

Anastasiya Lobanova, Victoria Ryzhova, Igor Konyakhin

Proceedings Volume 11053, 110530B (2019) https://doi.org/10.1117/12.2511058

KEYWORDS: Photodetectors, Polarization, Silicon photomultipliers, Reflection, Receivers, Photomultipliers, Optical components, Silicon, Scattering, Reflectivity

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Proceedings Article | 17 May 2018 Paper

Design of the stand for in vivo skin surface study by scattered ellipsometry method

Anastasiia Bulykina, Victoria Ryzhova, Valery Korotaev, Nikita Samokhin, Elena Sycheva

Proceedings Volume 10685, 106853J (2018) https://doi.org/10.1117/12.2306657

KEYWORDS: Skin, Polarization, Tissues, Tissue optics, In vivo imaging, Ellipsometry, Scattering, Diagnostics, Polarizers, Pathology

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Nowadays skin pathology detection on early stages is one of the progressive directions in medicine. Optical diagnostics methods allow to obtain data on skin's structure and composition,to examine biotissue processes without any negative impact on skin. Polarization diagnostics methods are very perspective. They are of interest due to biotissue-scattered optical fields polarization characteristics' high sensitivity to the structural features and physiological status of the study object. Implementation of quantitative ellipsometry in turbid media eventually can provide qualitatively new results with studies of the tissue's morphological and functional state which relate to the most important directions of today medical diagnostics. As a result development of theoretical and practical aspects of optically heterogeneous biological structures and polarized radiation interaction while solving the tasks of non-invasive rapid medical objects' state control is considered to be of current interest for improving of skin formation detection quality. The purpose of this study is to develop a stand for in vivo skin state examination by scattering ellipsometry with a help of studying of anisotropic skin environment influence on the polarization state evolution of the radiation propagating in this skin.The possibility of implementation the method of quantitative ellipsometry for in vivo skin's optical anisotropy and structural heterogeneity studies is shown. The Mueller matrix algebra is used for describing polarization properties of the depolarizing opticallyactive biotissue medium. A setup for recording the polarization state of the backscattered radiation was designed based on a comparative analysis of the technical options and their application in experiments with biotissue. To have a uniform intensity distribution along the cross section of the input radiation beam, and also to form the polarization states necessary for the study, using the emitting channel of the LEF-3 ellipsometer in the optical scheme of the stand is proposed. The choice of the radiation source wavelength in the spectral range (He-Ne laser, 632 nm) is justified, in which radiation scattering in turbid biological media predominates over absorption, which makes it possible to tell about the sample structural parameters by changing output radiation polarization state. The receiving channel of the output polarization state analyzer was designed, which contains based on a color matrix sensor with a unified analysis field video information block, that allows further multispectral studying of the skin surface structure. The method of a skin ellipsometric examination based on the distribution visualization of the polarization state parameters along the cross section of the output radiation beam and on its subsequent analysis is proposed. For image processing and calculation of the sample polarization characteristics an algorithm and software are developed with a Python language. In the backscattering mode of probing laser radiation the distributions of the skin sector containing scar structures polarization characteristics are obtained.

Proceedings Article | 4 October 2017 Paper

Space-based lidar for monitoring the Martian canyons

Leonid Smirnov, Victoria Ryzhova, Aleksander Grishkanich, Nikita Paklinov, Stanislav Kozlov, Artemia Hvorostovsky, Anton Antonov, Egor Kolmakov, Ilya Kravtsov, Nail Hafizov

Proceedings Volume 10429, 104290E (2017) https://doi.org/10.1117/12.2280013

KEYWORDS: Mars, LIDAR, Planets, Receivers, Raman scattering, Liquids, Methane, Ultraviolet radiation

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