Dr. Gábor Erdei Profile

Dr. Gábor Erdei

Optical Engineer & Associate Professor 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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Proceedings Article | 8 May 2014 Paper

SPADnet: a fully digital, scalable, and networked photonic component for time-of-flight PET applications

Claudio Bruschini, Edoardo Charbon, Chockalingam Veerappan, Leo H. Braga, Nicola Massari, Matteo Perenzoni, Leonardo Gasparini, David Stoppa, Richard Walker, Ahmet Erdogan, Robert Henderson, Steve East, Lindsay Grant, Balázs Játékos, Ferenc Ujhelyi, Gábor Erdei, Emöke Lörincz, Luc André, Laurent Maingault, David Jacolin, L. Verger, Eric Gros d'Aillon, Peter Major, Zoltan Papp, Gabor Nemeth

Proceedings Volume 9129, 912913 (2014) https://doi.org/10.1117/12.2051952

KEYWORDS: Sensors, Positron emission tomography, Scintillators, Photons, CMOS sensors, Crystals, Intelligent sensors, Scintillation, Solar concentrators, Data processing

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Proceedings Article | 9 May 2012 Paper

Characterization of MRI-compatible PET detector modules by optical excitation of the scintillator material

Balázs Játékos, Zoltán Kolozsi, Emoke Lorincz, Ferenc Ujhelyi, Attila Barócsi, Gábor Erdei

Proceedings Volume 8439, 84391R (2012) https://doi.org/10.1117/12.922618

KEYWORDS: Sensors, Light emitting diodes, Scintillators, Positron emission tomography, Ultraviolet radiation, Crystals, Scintillation, Photons, Glasses, Optical testing

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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

Tolerancing surface accuracy of aspheric lenses used for imaging purposes

Gabor Erdei, Gabor Szarvas, Emoke Lorincz

Proceedings Volume 5249, (2004) https://doi.org/10.1117/12.513256

KEYWORDS: Tolerancing, Aspheric lenses, Surface finishing, Glasses, Manufacturing, Standards development, Objectives, Distortion, Lenses, Prototyping

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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 | 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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SPIE Journal Paper | 1 March 2002

Optimization method for the design of beam shaping systems

Gabor Erdei, Gabor Szarvas, Emoeke Loerincz, Peter Richter

OE, Vol. 41, Issue 03, (March 2002) https://doi.org/10.1117/12.10.1117/1.1431554

KEYWORDS: Beam shaping, Geometrical optics, Diffraction, Optical design, Aspheric lenses, Gaussian beams, Ray tracing, Optimization (mathematics), Wavefronts, Collimation

SPIE Journal Paper | 1 March 2002

Cascading low-quality beam shapers to improve overall performance

Gabor Erdei, Gabor Szarvas, Emoeke Loerincz, Peter Richter

OE, Vol. 41, Issue 03, (March 2002) https://doi.org/10.1117/12.10.1117/1.1431968

KEYWORDS: Beam shaping, Gaussian beams, Spherical lenses, Optical engineering, Collimation, Near field diffraction, Optical components, Optimization (mathematics), Geometrical optics, Ray tracing

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 | 24 October 2000 Paper

Design of high-numerical-aperture Fourier objectives for holographic memory card writing/reading equipment

Gabor Erdei, Jozsua Fodor, Peter Kallo, Gabor Szarvas, Ferenc Ujhelyi

Proceedings Volume 4093, (2000) https://doi.org/10.1117/12.405239

KEYWORDS: Objectives, Aspheric lenses, Spatial light modulators, Distortion, Charge-coupled devices, Tolerancing, Optical design, Holography, Fourier transforms, Holograms

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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 | 19 August 1998 Paper

Telecentric/inverse-telecentric objective for optical data storage purposes

Gabor Erdei, Gabor Szarvas, Peter Kallo, Emoeke Loerincz

Proceedings Volume 3573, (1998) https://doi.org/10.1117/12.324546

KEYWORDS: Objectives, Imaging systems, Optical storage, Diffraction, Distortion, Microscopes, Spatial light modulators, Data storage, Data processing, Vignetting

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Proceedings Article | 25 September 1997 Paper

Single-element refractive optical device for laser beam profiling

Gabor Erdei, Gabor Szarvas, Emoeke Loerincz, Sandor Varkonyi

Proceedings Volume 3100, (1997) https://doi.org/10.1117/12.287740

KEYWORDS: Beam analyzers, Geometrical optics, Aspheric lenses, Optical components, Collimation, Near field optics, Gaussian beams, Beam shaping, Wavefronts, Computer aided design

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Showing 5 of 20 publications

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