Prof. Helen A. Tsyganok Profile

Prof. Helen A. Tsyganok

at ITMO Univ

SPIE Involvement:

Author

Publications (19)

Proceedings Article | 29 November 2023 Poster

Optical systems for thermal stabilization of an end-pumped amplifier for high-power lasers

Ivan Tarasov, Shan Gao, Helen Tsyganok, Alex Kolegov, Valeriy Kramnik, Grigory Mikhailovsky

Proceedings Volume 12760, 1276019 (2023) https://doi.org/10.1117/12.2687575

KEYWORDS: High power lasers, Laser stabilization, Optical components, Thermography, Thermal stability, Laser systems engineering, Thermal effects, Reliability, Scientific research, Refractive index

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Proceedings Article | 28 November 2023 Poster + Paper

Research and design of Köhler illumination with reduced dimensions for new type of microscopes

Anastasiya Kozhina, Elena Tsyganok, Shan Gao, Vasilisa Ezhova

Proceedings Volume 12765, 127651J (2023) https://doi.org/10.1117/12.2687316

KEYWORDS: Light sources and illumination, Microscopes, Design and modelling, Monochromatic aberrations, Systems modeling, Light emitting diodes, LED lighting, Diffusers

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Proceedings Article | 28 November 2023 Paper

Comparative research of mirror systems for extreme ultraviolet lithography illuminator

Shan Gao, Elena Tsyganok, Galina Romanova

Proceedings Volume 12765, 127650F (2023) https://doi.org/10.1117/12.2686671

KEYWORDS: Mirrors, Lithographic illumination, Extreme ultraviolet lithography, Design and modelling, Light sources and illumination

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Proceedings Article | 9 October 2021 Poster + Paper

Development of microscope lenses with uniform separation of optical illumination

Elena Tsyganok, Anastasiya Kozhina, Shaohua Gao

Proceedings Volume 11895, 118951E (2021) https://doi.org/10.1117/12.2600953

KEYWORDS: Microscopes, Lenses, Monochromatic aberrations, Chromatic aberrations, Microscopy, Eye, Channel projecting optics, Optical microscopy, Lens design, Image quality

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Proceedings Article | 10 October 2020 Poster + Paper

Preliminary assessment of estimated longitudinal chromatic aberration outside wavelength band

Anastasiya Kozhina, Helen Tsyganok

Proceedings Volume 11548, 115481R (2020) https://doi.org/10.1117/12.2573975

KEYWORDS: Chromatic aberrations, Optical imaging, Imaging systems, Image quality, Ultraviolet radiation, Infrared imaging

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Proceedings Article | 10 October 2020 Presentation + Paper

A novel car panoramic system based on catadioptric structure with dual-band operating mode

Hengyi Zhang, Elena Tsyganok, Xiping Xu, Ning Zhang, Jiaqi Lv

Proceedings Volume 11548, 1154810 (2020) https://doi.org/10.1117/12.2572970

KEYWORDS: Imaging systems, Panoramic photography, Visible radiation, Mirrors, Combined lens-mirror systems, Infrared radiation, Modulation transfer functions, Optical design, Tolerancing, Mid-IR

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Proceedings Article | 10 October 2020 Poster + Paper

Microlens design to explore biological tissues for parasitic diseases identification

Leo Andreev, Helen Tsyganok, Anastasiya Kozhina, Jane Soshnicova

Proceedings Volume 11548, 115481J (2020) https://doi.org/10.1117/12.2573711

KEYWORDS: Microlens, Tissues, Biological detection systems, Image quality, Digital signal processing

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Proceedings Article | 10 October 2020 Paper

Design of compensators for microscope lens

Leo N. Andreev, Helen Tsyganok, Vasilisa Ezhova, Anastasiya Kozhina

Proceedings Volume 11548, 115480C (2020) https://doi.org/10.1117/12.2575214

KEYWORDS: Microscopes, Lens design, Image quality, Chromatic aberrations, Refractor telescopes, Telescopes, Monochromatic aberrations

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Proceedings Article | 2 March 2020 Paper

High-aperture systems design for agriculture observation

Helen Tsyganok, Anastasiya Kozhina

Proceedings Volume 11274, 112742E (2020) https://doi.org/10.1117/12.2547323

KEYWORDS: Agriculture, Glasses, Unmanned aerial vehicles, Modulation transfer functions, Photography, Diffractive optical elements

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Proceedings Article | 18 December 2019 Paper

Optical system of design for hyperspectral imaging applied in agriculture

Zhanchao Gong, E. A. Tsyganok

Proceedings Volume 11341, 113411G (2019) https://doi.org/10.1117/12.2546882

KEYWORDS: Imaging systems, Telescopes, Spectral resolution, Optical design, Hyperspectral imaging, Agriculture, Hyperspectral systems

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Proceedings Article | 28 June 2018 Paper

An optical system for a selective laser melting technology

A. Kononov, E. Tsyganok

Proceedings Volume 10690, 106901T (2018) https://doi.org/10.1117/12.2309666

KEYWORDS: Laser applications, Semiconductor lasers, Mirrors, Spatial light modulators, Collimation, Capillaries, Convection, Optical components, Zemax, Additive manufacturing

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Proceedings Article | 28 May 2018 Paper

Efficiency analysis of optical schemes for the development of high power laser diode modules

Ekaterina Kotova, Galina Romanova, Helena A. Tsyganok, Maxim Odnoblyudov, Vladislav Bougrov

Proceedings Volume 10695, 106950T (2018) https://doi.org/10.1117/12.2313293

KEYWORDS: Semiconductor lasers, Lenses, Collimation, Diodes, Fiber couplers, High power lasers, Polarization, Optical components, Mirrors

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Proceedings Article | 26 June 2017 Paper

Optical design of system for a lightship

M. Chirkov, E. Tsyganok

Proceedings Volume 10330, 1033009 (2017) https://doi.org/10.1117/12.2269508

KEYWORDS: Reflectivity, Reflection, Optical design, Diodes, Systems modeling, Light sources, Optical metrology, Aspheric lenses, Design for manufacturability, Optics manufacturing, Zemax, Freeform optics, Polymethylmethacrylate, Refraction, Lens design, Optimization (mathematics)

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Proceedings Article | 26 June 2017 Paper

A multispectral telescopic systems with a variable magnification

I. Tarasov, E. Tsyganok

Proceedings Volume 10335, 103351Y (2017) https://doi.org/10.1117/12.2269947

KEYWORDS: Image quality, Optical design, Near infrared, Prisms, Analytical research, Glasses, Optical components, Clocks, Transparency, Atmospheric sensing, Air contamination

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Proceedings Article | 27 April 2016 Paper

Research of the long-focus Maksutov telephoto lens

I. Tarasov, E. Tsyganok

Proceedings Volume 9889, 988919 (2016) https://doi.org/10.1117/12.2227125

KEYWORDS: Objectives, Image quality, Combined lens-mirror systems, Glasses, Refraction, Mirrors, Monochromatic aberrations, Photography, Imaging systems, Vignetting, Modulation transfer functions, Optical design, Analytical research, Analog electronics

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Proceedings Article | 27 April 2016 Paper

The application of diffractive optical elements in the optical coherence tomography

D. Egorov, E. Tsyganok

Proceedings Volume 9889, 98890W (2016) https://doi.org/10.1117/12.2227637

KEYWORDS: Optical coherence tomography, Computer generated holography, Microscopes, Diffractive optical elements, Interferometry, Optical components, Interferometers, Wavefronts, Mirrors, Chromatic aberrations, Diffraction, Monochromatic aberrations, Lenses, Transmittance, Image quality

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Proceedings Article | 27 April 2016 Paper

The optics mechanical module for inter-satellite link

E. Tsyganok, B. Dobriakov

Proceedings Volume 9889, 98891T (2016) https://doi.org/10.1117/12.2227102

KEYWORDS: Calibration, Satellites, Mirrors, Combined lens-mirror systems, Objectives, Refraction, Superposition, Channel projecting optics, Sensors, Optical design, Fiber lasers, Lens design, Monochromatic aberrations, Transmitters, Fiber optics

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Proceedings Article | 22 June 2015 Paper

Research and development objectives for the spectral coherence tomography

D. Yegorov, E. Tsyganok

Proceedings Volume 9525, 952546 (2015) https://doi.org/10.1117/12.2184855

KEYWORDS: Computer generated holography, Monochromatic aberrations, Lenses, Optical coherence tomography, Colorimetry, Chromatic aberrations, Wavefronts, Interferometers, Objectives, Lens design

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Proceedings Article | 20 August 2010 Paper

Study of the influence of the tetrahedral reflectors properties on autocollimating systems characteristics

Andrey Anisimov, Elena Tsyganok, Igor Konyakhin

Proceedings Volume 7786, 77860V (2010) https://doi.org/10.1117/12.859822

KEYWORDS: Reflectors, Collimation, Control systems, Mirrors, Image processing, Optical simulations, MATLAB, Mathematical modeling, Error analysis, Zemax

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Showing 5 of 19 publications

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