Dr. Pal Koppa Profile

Dr. Pal Koppa

Senior Researcher at Budapest Univ of Technology and Economics

SPIE Involvement:

Author

Publications (20)

SPIE Journal Paper | 25 February 2023

Wide field of view flat-panel head-up display system

Ábel Sulyok, Gábor Erdei, Tamás Markovits, Gergely Szabados, Ferenc László Varga, Pál Koppa

OE, Vol. 62, Issue 02, 025104, (February 2023) https://doi.org/10.1117/12.10.1117/1.OE.62.2.025104

KEYWORDS: Heads up displays, Tunable filters, Reflection, LCDs, Displays, Backlighting, Polarizers, 3D printing, Polarization, Optical engineering

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SPIE Journal Paper | 7 February 2022

Compact, single-mode fiber-coupled, correlated photon pair source based on type-I beta-barium borate crystal

Csaba Holló, Tamás Sarkadi, Máté Galambos, Dániel Bíró, Attila Barócsi, Pál Koppa, Gábor Erdei

OE, Vol. 61, Issue 02, 025101, (February 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.2.025101

KEYWORDS: Crystals, Sensors, Optical engineering, Single mode fibers, Optical filters, Photon polarization, Mirrors, Laser crystals, Transmittance, Signal to noise ratio

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SPIE Journal Paper | 3 June 2021

Achromatic suppression of ghost images in head-up displays

Ábel Sulyok, Pál Koppa, Attila Barócsi

OE, Vol. 60, Issue 06, 065101, (June 2021) https://doi.org/10.1117/12.10.1117/1.OE.60.6.065101

KEYWORDS: Heads up displays, Wave plates, Polarization, Optical calibration, Birefringence, RGB color model, Phase shifts, Optical engineering, Refractive index, Projection systems

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SPIE Journal Paper | 3 September 2020

Elimination of ghost image in expanded viewing angle head-up display systems

Abel Sulyok, Pal Koppa

OE, Vol. 59, Issue 09, 095101, (September 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.9.095101

KEYWORDS: Heads up displays, Wave plates, Polarization, Reflection, Thin films, Displays, Projection systems, Glasses, Systems modeling, Optical engineering

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Proceedings Article | 25 April 2008 Paper

Holographic data storage using phase-only data pages

Tamás Sarkadi, Pál Koppa, Ferenc Ujhelyi, Judit Reményi, Gábor Erdei, Emöke Lörincz

Proceedings Volume 7000, 700004 (2008) https://doi.org/10.1117/12.782258

KEYWORDS: Holograms, Data storage, Holographic data storage systems, Data modeling, Modulation, Modulators, Polarization, Wavefronts, Holography, CCD cameras

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Proceedings Article | 8 October 2007 Paper

Optical encryption and encrypted holographic storage using phase-only data pages

Pál Koppa, Tamás Sarkadi, Ferenc Ujhelyi, Judit Reményi, Gábor Erdei, Emőke Lőricz

Proceedings Volume 6741, 67410M (2007) https://doi.org/10.1117/12.737826

KEYWORDS: Computer programming, Spatial light modulators, Data storage, Holography, Binary data, Data conversion, Holographic data storage systems, Charge-coupled devices, Bismuth, Holograms

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Proceedings Article | 9 June 2006 Paper

Phase coded polarization holographic system demonstration

Ferenc Ujhelyi, M. Lovász, Z. Göröcs, A. Sütő, P. Koppa, G. Erdei, E. Lőrincz

Proceedings Volume 6252, 625211 (2006) https://doi.org/10.1117/12.677028

KEYWORDS: Holograms, Holography, Polarization, Data storage, 3D image reconstruction, Phase shift keying, Thin films, Computer simulations, Modulation, Image compression

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Proceedings Article | 26 October 2004 Paper

New results in holographic data storage with organic polymer films

Emoeke Lorincz, Pal Koppa, T. Ujvari, Monika Lovasz, Ferenc Ujhelyi, Gabor Erdei, Attila Suto, Gabor Szarvas

Proceedings Volume 5521, (2004) https://doi.org/10.1117/12.563922

KEYWORDS: Holography, Holograms, Polarization, Spatial light modulators, Data storage, Computer security, Thin films, Tolerancing, Multilayers, Volume holography

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Proceedings Article | 18 February 2004 Paper

Modeling air inclusions in high-performance objective lenses

Zsolt Nagy, Pal Koppa, Gyorgy Nadudvari, Eric Dirix, Peter Richter

Proceedings Volume 5249, (2004) https://doi.org/10.1117/12.513317

KEYWORDS: Objectives, Digital video discs, Lenses, Diffraction, Beam propagation method, Ray tracing, Zemax, Electromagnetism, Wave propagation, Glasses

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Proceedings Article | 8 December 2003 Paper

Holographic data storage in thin polymer films

Pal Koppa, Peter Varhegyi, T. Ujvari, Monika Lovasz, Gabor Szarvas, Ferenc Ujhelyi, Gabor Erdei, Judit Remenyi, Laszlo Domjan, Attila Suto, Emoke Lorincz

Proceedings Volume 5216, (2003) https://doi.org/10.1117/12.513615

KEYWORDS: Holograms, Holography, Polarization, Data storage, 3D image reconstruction, Beam splitters, Computer security, Spatial light modulators, Phase shift keying, Objectives

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Proceedings Article | 19 November 2003 Paper

System modeling and optimization of the polarization Fourier holograhic memory card

Peter Varhegyi, Pál Koppa, Emoeke Loerincz, Gabor Szarvas, Péter Richter

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.531106

KEYWORDS: Holograms, Systems modeling, Optimization (mathematics), Polarization, Holography, Telecommunications, Polymer thin films, Computer simulations, Performance modeling, Spatial light modulators

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Proceedings Article | 19 November 2003 Paper

Phase modulation configuration of a liquid crystal display

Judit Remenyi, Pal Koppa, Laszlo Domjan, Emoeke Loerincz

Proceedings Volume 4829, (2003) https://doi.org/10.1117/12.530722

KEYWORDS: LCDs, Phase shift keying, Phase measurement, Transmittance, Phase modulation, Diffraction, Polarization, Modulation, Spatial light modulators, Birefringence

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Proceedings Article | 14 July 2003 Paper

Polarization holographic data storage using azobenzene polyester as storage material

Emoeke Loerincz, Gabor Szarvas, Pal Koppa, Ferenc Ujhelyi, Gabor Erdei, Attila Sueto, Peter Varhegyi, Sz. Sajti, A. Kerekes, T. Ujvari, P. Ramanujam

Proceedings Volume 4991, (2003) https://doi.org/10.1117/12.479454

KEYWORDS: Holography, Holograms, Polarization, Data storage, Computer simulations, Thin films, Spatial light modulators, Objectives, Anisotropy, Data modeling

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Proceedings Article | 10 January 2002 Paper

Read/write demonstrator of rewritable holographic memory card system

Emoeke Loerincz, Ferenc Ujhelyi, Pal Koppa, A. Kerekes, Gabor Szarvas, Gabor Erdei, Jozsua Fodor, Sz. Mike, Attila Sueto, Peter Varhegyi, P. Ramanujam, Soeren Hvilsted

Proceedings Volume 4342, (2002) https://doi.org/10.1117/12.453409

KEYWORDS: Holography, Objectives, Spatial light modulators, Holograms, Polarization, Optical storage, Mirrors, Data storage, Semiconductor lasers, Reflectivity

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Proceedings Article | 3 October 2000 Paper

Phase-coded recording in polarization holograms for data multiplexing and encryption

T. Ujvari, Pal Koppa, Emoeke Loerincz, Gabor Szarvas, Peter Richter

Proceedings Volume 4149, (2000) https://doi.org/10.1117/12.402499

KEYWORDS: Holograms, Polarization, Multiplexing, Data storage, Signal to noise ratio, Holography, Spatial light modulators, Fourier transforms, 3D image reconstruction, Convolution

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Proceedings Article | 3 October 2000 Paper

Optimization of the storage density in thin polarization holograms

Peter Varhegyi, Pal Koppa, Emoeke Loerincz, Gabor Szarvas, Peter Richter

Proceedings Volume 4149, (2000) https://doi.org/10.1117/12.402496

KEYWORDS: Holograms, Spatial light modulators, Charge-coupled devices, Holography, 3D image reconstruction, Systems modeling, Computer simulations, Signal to noise ratio, Fourier transforms, Computer programming

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Proceedings Article | 3 October 2000 Paper

Data storage on holographic memory card

Pal Koppa, Gabor Erdei, Ferenc Ujhelyi, Peter Varhegyi, T. Ujvari, Emoeke Loerincz, Gabor Szarvas, Soeren Hvilsted, P. Ramanujam, Peter Richter

Proceedings Volume 4149, (2000) https://doi.org/10.1117/12.402495

KEYWORDS: Holography, Holograms, Polarization, Data storage, Spatial light modulators, Reflectivity, Polymer thin films, Objectives, Polymers, Optical storage

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Proceedings Article | 2 October 2000 Paper

Optical system of holographic memory card writing/reading equipment

Gabor Erdei, Gabor Szarvas, Emoeke Loerincz, Jozsua Fodor, Ferenc Ujhelyi, Pal Koppa, Peter Varhegyi, Peter Richter

Proceedings Volume 4092, (2000) https://doi.org/10.1117/12.402415

KEYWORDS: Polarization, Spatial light modulators, Holograms, Holography, Diffraction, Charge-coupled devices, Objectives, Data storage, Mirrors, Polymers

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Proceedings Article | 18 September 2000 Paper

Rewritable holographic memory card system

Emoeke Loerincz, Ferenc Ujhelyi, Attila Sueto, Gabor Szarvas, Pal Koppa, Gabor Erdei, Soeren Hvilsted, P. Ramanujam, Peter Richter

Proceedings Volume 4090, (2000) https://doi.org/10.1117/12.399357

KEYWORDS: Holography, Polarization, Optical storage, Holograms, Spatial light modulators, Binary data, Data storage, Objectives, Image filtering, Laser sources

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Proceedings Article | 22 May 1998 Paper

Optical address recognition by optical bistables and vertical-cavity surface-emitting lasers

T. Grudzien, Pal Koppa, Pierre Chavel, Jean-Louis Oudar, Robert Kuszelewicz, T. Rivera

Proceedings Volume 3490, (1998) https://doi.org/10.1117/12.308974

KEYWORDS: Vertical cavity surface emitting lasers, Electrooptic modulators, Modulators, Semiconductor lasers, Laser optics, Electro optics, Sapphire lasers, Argon ion lasers, Bistability, Atomic, molecular, and optical physics

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Showing 5 of 20 publications

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