Dr. Aleksandr E. Angervaks Profile

Dr. Aleksandr E. Angervaks

Research Scientist at Corning SAS Finland Branch

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Head of the Crystal Spectroscopy Laboratory, ITMO University (Russia, St. Petersburg).
The main topics of the Lab's work are the physical properties (optical, electrical etc.) of calcium and cadmium fluoride crystals with color centers and their implementation as a dynamic (CdF2) and static (CaF2) voume holographic media. Color centers are formed in the crystals by means of additive coloration procedure, realized in the Lab. Fluoride crystals with volume holograms are used as spectral and angular filters, filters for optical correlators, measuring scales for linear shift device.

Proceedings Article | 28 March 2021 Presentation + Paper

A DOE-based waveguide architecture of wide field of view display for Augmented Reality eyewear

Vladimir Borisov, Nikolay Muravyev, Roman Okun, Aleksandr Angervaks, Gavril Vostrikov, Mikhail Popov

Proceedings Volume 11765, 117650B (2021) https://doi.org/10.1117/12.2586205

KEYWORDS: Waveguides, Augmented reality, Eyewear, Wave propagation, Refractive index, Diffraction, Optical design, Optical components, Dispersion, Diffractive optical elements

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Proceedings Article | 30 March 2020 Presentation + Paper

Wide field of view HOE-based waveguides system for AR display

Vladimir Borisov, Roman Okun, Aleksandr Angervaks, Gavril Vostrikov, Svetlana Danilova, Nikolay Muravev, Mikhail Popov, Andrey Putilin

Proceedings Volume 11350, 113500E (2020) https://doi.org/10.1117/12.2565548

KEYWORDS: Waveguides, Augmented reality, Diffraction gratings, Diffraction, Projection systems, Holographic optical elements, Holography

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SPIE Journal Paper | 8 February 2019

Two-model spectral study of volume holograms in materials with diffusion-based mechanisms

Vladimir Borisov, Aleksandr Angervaks, Aleksandr Ryskin, Andrey Veniaminov

OE, Vol. 58, Issue 02, 024102, (February 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.2.024102

KEYWORDS: Holograms, Absorption, Refraction, Refractive index, Volume holography, Modulation, Holographic materials, Crystals, Diffraction, Polymers

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Proceedings Article | 15 June 2018 Paper

Holographic prism based on photo-thermo-refractive glass: new facilities for metrological application

A. Angervaks, K. Gorokhovsky, V. Granovskii, Van Bak Doan, S. Ivanov, R. Okun, N. Nikonorov, A. Ryskin

Proceedings Volume 10692, 1069208 (2018) https://doi.org/10.1117/12.2312436

KEYWORDS: Holograms, Fluctuations and noise, Glasses, Holography, Prisms, Diffraction, Metrology, Calibration

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Proceedings Article | 4 May 2018 Paper

Spectral analysis of volume holograms in materials with diffusion-based formation mechanisms by means of Coupled wave theory and Kramers-Kronig relations

Vladimir Borisov, Aleksandr Angervaks, Alexandr Ryskin, Andrey Veniaminov

Proceedings Volume 10672, 106724N (2018) https://doi.org/10.1117/12.2311798

KEYWORDS: Holograms, Absorption, Refraction, Volume holography, Refractive index, Crystals, Holography, Modulation, Diffraction, Holographic materials

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Proceedings Article | 26 June 2017 Paper

Holographic prism based on photo-thermo-refractive glass

S. Ivanov, A. Angervaks, Doan Van Bac, N. Nikonorov, R. Okun'

Proceedings Volume 10329, 103292Z (2017) https://doi.org/10.1117/12.2270186

KEYWORDS: Holograms, Diffraction, Diffraction gratings, Refractive index, Modulation, Multiplexing, Prisms, Glasses, Holography

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Proceedings Article | 21 April 2016 Paper

Comparison of experimental approaches to study selective properties of thick phase-amplitude holograms recorded in materials with diffusion-based formation mechanisms

Vladimir Borisov, Mariia Klepinina, Andrey Veniaminov, Aleksandr Angervaks, Aleksandr Shcheulin, Aleksandr Ryskin

Proceedings Volume 9885, 98851P (2016) https://doi.org/10.1117/12.2231120

KEYWORDS: Holograms, Holography, Modulation, Refractive index, Phase shift keying, Photonic crystals, Volume holography, Crystals, Absorbance, Absorption

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Proceedings Article | 8 May 2015 Paper

Formation of dissipative structures at hologram recording in CaF2 crystals with color centers

Aleksandr Shcheulin, Aleksandr Angervaks, Andrey Veniaminov, Pavel Fedorov, Sergey Kuznetsov, Aleksandr Ryskin

Proceedings Volume 9508, 95080D (2015) https://doi.org/10.1117/12.2178477

KEYWORDS: Holograms, Crystals, Color centers, Holography, Electrons, Absorption, Fringe analysis, Metals, Laser crystals, Modulation

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Proceedings Article | 1 May 2014 Paper

Application of photo-thermo-refractive glass as a holographic medium for holographic collimator gun sights

S. Ivanov, A. Angervaks, A. Shcheulin

Proceedings Volume 9131, 91311B (2014) https://doi.org/10.1117/12.2052160

KEYWORDS: Holograms, Glasses, Holography, Reticles, 3D image reconstruction, Collimators, Diffraction, Semiconductor lasers, Refraction, Prisms

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Proceedings Article | 8 May 2013 Paper

Convertible holograms in CaF2 crystals with color centers

Alexandr Angervaks, Aleksandr Shcheulin, Aleksandr Ryskin

Proceedings Volume 8776, 877604 (2013) https://doi.org/10.1117/12.2017160

KEYWORDS: Holograms, Diffraction, Crystals, Color centers, Absorption, Diffraction gratings, Solids, Visible radiation, Electrons, Infrared radiation

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Proceedings Article | 29 April 2008 Paper

Dynamic joint transform correlator of images

A. Angervaks, A. Malyi, I. Fedorov, A. Shcheulin

Proceedings Volume 7006, 70060L (2008) https://doi.org/10.1117/12.802317

KEYWORDS: Optical correlators, Joint transforms, Holography, Crystals, Holograms, Absorption, Optical filters, Image analysis, Volume holography, Cadmium

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