Mr. Pawel J. Stepien Profile

Pawel J. Stepien

Owner at Polish Holographic Systems

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Author

Publications (7)

Proceedings Article | 26 August 2004 Paper

Visual hologram security

Pawel Stepien, Roman Stachowiak

Proceedings Volume 5566, (2004) https://doi.org/10.1117/12.577098

KEYWORDS: Holograms, Visualization, Holography, Diffraction gratings, Modulation, Optical design, Digital holography, 3D image processing, 3D modeling, Systems modeling

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Proceedings Article | 7 April 2000 Paper

Computer-generated holograms and diffraction gratings in optical security applications

Pawel Stepien

Proceedings Volume 3973, (2000) https://doi.org/10.1117/12.382191

KEYWORDS: Computer generated holography, Diffraction gratings, 3D image processing, Information security, Computer security, Holography, Holograms, Optical lithography, Visualization, Optical design

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Proceedings Article | 1 April 1998 Paper

Guilloche in diffractive optically variable image devices

Pawel Stepien, Remigiusz Gajda, Artur Marszalek

Proceedings Volume 3314, (1998) https://doi.org/10.1117/12.304690

KEYWORDS: Computer generated holography, Holograms, Optical components, Computer aided design, Holography, Diffraction gratings, Analog electronics, Printing, Kinematics, Computer security

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SPIE Journal Paper | 1 September 1996

Distributed kinoforms in optical security applications

Pawel Stepien, Remigiusz Gajda, Tomasz Szoplik

OE, Vol. 35, Issue 09, (September 1996) https://doi.org/10.1117/12.10.1117/1.600847

KEYWORDS: Computer generated holography, Holograms, Binary data, Holography, Fourier transforms, Visible radiation, Kinematics, Diffraction gratings, 3D image reconstruction, Optics manufacturing

Proceedings Article | 15 March 1996 Paper

Pure-phase iteratively generated Fourier hologram as a security mark

Pawel Stepien, Remigiusz Gajda

Proceedings Volume 2659, (1996) https://doi.org/10.1117/12.235468

KEYWORDS: Computer generated holography, Holograms, Diffusers, Computer security, Image quality, Fourier transforms, Holography, Optical components, Numerical simulations, Manufacturing

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Proceedings Article | 15 March 1996 Paper

Computer-generated optically variable devices containing hidden information

Pawel Stepien, Remigiusz Gajda, Tomasz Szoplik

Proceedings Volume 2659, (1996) https://doi.org/10.1117/12.235466

KEYWORDS: Computer generated holography, Binary data, Holograms, Chemical elements, Fourier transforms, Optical components, Holography, Kinematics, Data hiding, Computer security

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Proceedings Article | 15 March 1996 Paper

Criteria on which a judgement of optically variable security marks may be based

Tomasz Szoplik, Marek Burski, Pawel Stepien

Proceedings Volume 2659, (1996) https://doi.org/10.1117/12.235460

KEYWORDS: Holograms, Diffraction, Diffraction gratings, Volume holography, Stereo holograms, Holography, Computer security, Optical properties, 3D image reconstruction, Digital holography

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Showing 5 of 7 publications

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