Dr. Viktor P. Syvokin Profile

Dr. Viktor P. Syvokin

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 27 April 2020 Presentation

Freeform based focusing attachment for fixed focus thermal LWIR objectives (Conference Presentation)

Viktor Syvokin, Stan Szapiel

Proceedings Volume 11403, 1140304 (2020) https://doi.org/10.1117/12.2561592

KEYWORDS: Long wavelength infrared, Objectives, Thermography, Calibration, Lenses, Cameras, Visualization, Patents, Acquisition tracking and pointing, Infrared imaging

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Proceedings Article | 27 November 2017 Paper

Tolerancing transmission variation in optical systems with scanning pupil

V. Syvokin, D. Brown

Proceedings Volume 10590, 105900O (2017) https://doi.org/10.1117/12.2286279

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Proceedings Article | 3 September 2015 Paper

Scanning pupil approach to aspheric surface slope error tolerancing in head-up display optics

V. Sivokon

Proceedings Volume 9582, 958203 (2015) https://doi.org/10.1117/12.2186406

KEYWORDS: Aspheric lenses, Heads up displays, Tolerancing, Eye, Error analysis, Relays, Image quality, Geometrical optics, Light sources, Manufacturing

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Proceedings Article | 17 December 2014 Paper

Fast calculation of bokeh image structure in camera lenses with multiple aspheric surfaces

V. Sivokon, M. Thorpe

Proceedings Volume 9293, 92931P (2014) https://doi.org/10.1117/12.2073070

KEYWORDS: Phase modulation, Aspheric lenses, Beam propagation method, Lenses, Phase shift keying, Cameras, Objectives, Surface finishing, Wavefronts, Optical simulations

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SPIE Journal Paper | 20 June 2014

Theory of bokeh image structure in camera lenses with an aspheric surface

Viktor Sivokon, Michael Thorpe

OE, Vol. 53, Issue 06, 065103, (June 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.6.065103

KEYWORDS: Aspheric lenses, Modulation, Phase shift keying, Cameras, Phase modulation, Lenses, Beam propagation method, Photovoltaics, Modulation transfer functions, Diffraction

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Proceedings Article | 25 September 2013 Paper

Internal structure of bokeh image in camera lenses with aspheric surfaces

V. Sivokon, M. Thorpe

Proceedings Volume 8841, 88410O (2013) https://doi.org/10.1117/12.2023092

KEYWORDS: Aspheric lenses, Modulation, Phase shift keying, Modulation transfer functions, Diffraction, Phase modulation, Cameras, Lenses, Mirrors, Photovoltaics

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Proceedings Article | 31 May 2013 Paper

Cost-effective multispectral three-mirrors anastigmat sensor for high-performance surveillance applications using electroformed free-form mirrors

M. Rossi, R. Banham, D. Blandino, G. Borghi, I. Ferrario, R. Formaro, W. Glage, N. Missaglia, S. Moretti, I. Neil, A. Ritucci, A. Sposito, V. Syvokin, G. Valsecchi, P. Zago, F. Zocchi

Proceedings Volume 8713, 871307 (2013) https://doi.org/10.1117/12.2017740

KEYWORDS: Mirrors, Sensors, Modulation transfer functions, Manufacturing, Aluminum, Stray light, Optics manufacturing, Surveillance, Telescopes, Long wavelength infrared

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Proceedings Article | 9 September 2010 Paper

Fresnel based phase optimised general error diffusion algorithm for optical beam shaping

J. Ramsey, V. Sivokon, T. Hall, I. Andonovic, C. Michie

Proceedings Volume 7652, 76522O (2010) https://doi.org/10.1117/12.868570

KEYWORDS: Holograms, Signal to noise ratio, Detection and tracking algorithms, Diffraction, Beam shaping, Diffusion, Algorithm development, Near field optics, Fourier transforms, Electronic filtering

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Proceedings Article | 11 September 1998 Paper

High-resolution phase distortion compensation in adaptive interferometers

Michael Giles, Mikhail Vorontsov, Rensheng Dou, Viktor Sivokon

Proceedings Volume 3353, (1998) https://doi.org/10.1117/12.321660

KEYWORDS: Interferometers, Distortion, Phase shift keying, Modulators, Phase modulation, Liquid crystals, Imaging systems, Wavefronts, Modulation, Numerical simulations

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SPIE Journal Paper | 1 December 1997

Iterative technique for high-resolution phase distortion compensation in adaptive interferometers

Rensheng Dou, Mikhail Vorontsov, Viktor Sivokon, Michael Giles

OE, Vol. 36, Issue 12, (December 1997) https://doi.org/10.1117/12.10.1117/1.601591

KEYWORDS: Interferometers, Distortion, Phase shift keying, Wavefronts, Phase modulation, Modulators, Imaging systems, Mach-Zehnder interferometers, Prisms, Liquid crystals

Proceedings Article | 17 October 1997 Paper

Parallel perturbation gradient descent algorithm for adaptive wavefront correction

Gary Carhart, Jennifer Ricklin, Victor Sivokon, Mikhail Vorontsov

Proceedings Volume 3126, (1997) https://doi.org/10.1117/12.279040

KEYWORDS: Image quality, Wavefronts, Stochastic processes, Modulators, Distortion, Imaging systems, Control systems, Liquid crystals, Optimization (mathematics), Image quality standards

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Proceedings Article | 23 September 1997 Paper

Coherent optical processor for image-quality metric measurement

Rensheng Dou, Dimitri Pruidze, Jennifer Ricklin, Victor Sivokon, Mikhail Vorontsov

Proceedings Volume 3125, (1997) https://doi.org/10.1117/12.287769

KEYWORDS: Image quality, Image processing, Diffraction, Imaging systems, Image enhancement, Phase shift keying, Distortion, Image analysis, Signal processing, Quality measurement

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Showing 5 of 12 publications

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