Prof. Helen A. Tsyganok Profile

Prof. Helen A. Tsyganok

at ITMO Univ

SPIE Involvement:

Author

Publications (18)

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 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

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 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 | 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 18 publications

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