Prof. Youri Meuret Profile

Prof. Youri Meuret

Associate Professor at KU Leuven

SPIE Involvement:

Conference Program Committee | Author | Editor

Area of Expertise:

Optical Design , Optical Modelling , Illumination Systems , Lighting , LED - OLED , Displays

Websites:

Company Website

Profile Summary

Youri Meuret (1975) graduated in Physics at Ghent University, Belgium, in 1998. He received his Ph.D. degree in Engineering from the same university, investigating the contrast and color properties of digital projection systems in collaboration with BARCO N.V. From 2003 till 2013 he was responsible for a research unit focusing on optical modelling and design within the Brussels Photonics Team (B-PHOT) at the Vrije Universiteit Brussel.
In 2013 he joined KU Leuven as associate professor. His current research interests at the light & lighting laboratory include the modelling, design and measurement of novel light sources (LED, OLED) and illumination/lighting systems.

Publications (64)

Proceedings Article | 28 November 2023 Poster + Paper

Poster + Paper

Smooth output from adaptive illumination systems with pixelated LED arrays

Jeroen Cerpentier, Paula Acuña, Youri Meuret

Proceedings Volume 12765, 1276525 (2023) https://doi.org/10.1117/12.2688496

KEYWORDS: Light emitting diodes, Light sources and illumination, Cameras, Point spread functions, LED lighting, Imaging systems, Detection and tracking algorithms, Computing systems

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Proceedings Article | 19 November 2019 Paper

Paper

Multi-channel freeform optics for glare-free lighting

Youri Meuret, Karel Desnijder, Wouter Ryckaert, Peter Hanselaer

Proceedings Volume 11185, 1118503 (2019) https://doi.org/10.1117/12.2537291

KEYWORDS: Freeform optics, Lens design, Light sources and illumination, Light emitting diodes, Reflectors, Light sources, Light, Diffusers

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Proceedings Article | 21 June 2019 Presentation + Paper

Presentation + Paper

Accurate and robust characterization of volume scattering materials using the intensity-based inverse adding-doubling method

António Correia, Peter Hanselaer, Youri Meuret

Proceedings Volume 11057, 110570N (2019) https://doi.org/10.1117/12.2525791

KEYWORDS: Scattering, Light scattering, Particles, Statistical analysis, Mie scattering, Light sources and illumination, Monte Carlo methods, Scatter measurement, Absorption, Mass attenuation coefficient

Read Abstract +

In several different research disciplines, modelling and simulating light propagation through volume scattering materials is a key necessity. Simulating diffusing and fluorescent materials in solid-state lighting and the interactions between intense light and skin tissue in biomedicine are just some examples of the widespread need for accurate volume scattering models. Although modelling volume scattering materials is important for several research fields, there is still no widespread reporting of model properties or of accurate and robust tools to estimate them, especially for lighting research. Most often, researchers estimate the scattering model properties, i.e. the absorption and scattering coefficients and the anisotropy factor, using Mie solutions. These are generally based on rough estimates of the scattering particle’s properties and assume that the particle is perfectly spherical or cylindrical. This approach is not well suited for the myriad of volume scattering materials available for illumination research. Our work uses the intensity-based inverse adding-doubling (i-IAD) method to estimate the volume scattering model properties of samples. In this work, we investigate the feasibility of this method in an experimental scenario by studying samples made with two different scattering particles embedded in a transparent polymer with different scattering particle concentrations and sample geometries. The light scattered by the samples is measured and their volume scattering properties estimated with i-IAD. We show the accuracy and robustness of i-IAD by extrapolating the scattering parameters obtained for low concentration samples to higher concentrations and comparing simulations with experiments for these higher concentrations. Furthermore, measurements of samples that contain both types of scattering particles were also accurately simulated using the model parameters estimated from low concentration samples. This work demonstrates that the intensity-based inverse adding-doubling method provides accurate estimates for the volume scattering model parameters and that they can be generalized for different concentrations, geometries and scattering particle mixtures.

Proceedings Article | 15 June 2018 Paper

Paper

Design of a freeform, luminance spreading illumination lens with a continuous surface

Karel Desnijder, Ward Deketelaere, Michael Vervaeke, Hugo Thienpont, Peter Hanselaer, Youri Meuret

Proceedings Volume 10693, 106930F (2018) https://doi.org/10.1117/12.2314064

KEYWORDS: Light sources, Light, Light emitting diodes, Lens design, Collimation, Freeform optics, Manufacturing

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Proceedings Article | 25 September 2017 Presentation

Presentation

Opto-thermal design of a white light point source based on high power blue laser diodes (Conference Presentation)

António Correia, Peter Hanselaer, Youri Meuret

Proceedings Volume 10378, 103780P (2017) https://doi.org/10.1117/12.2272571

KEYWORDS: Quantum efficiency, Light, Thermal effects, Optical simulations, Quenching (fluorescence), Optical design, High power lasers, Thermal modeling

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Proceedings Article | 8 September 2017 Presentation + Paper

Presentation + Paper

Selecting the optimal synthesis parameters of InP/Cd[x]Zn[1-x]Se quantum dots when combined with different broad band phosphors to optimize color rendering and efficiency of a remote phosphor white LED

Jana Ryckaert, António Correia, Kevin Smet, Mickael Tessier, Dorian Dupont, Zeger Hens, Peter Hanselaer, Youri Meuret

Proceedings Volume 10378, 103780K (2017) https://doi.org/10.1117/12.2274179

KEYWORDS: Light emitting diodes, Quantum dots, Scattering, Light scattering, Quantum efficiency, Monte Carlo methods, Absorption, Cadmium, Light sources, Computer simulations

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SPIE Journal Paper | 18 November 2016 Open Access

Open Access

Spot phosphor concept applied to a remote phosphor light-emitting diode light engine

Paula Acuna Roncancio, Youri Meuret, Geert Deconinck, Peter Hanselaer

OE, Vol. 55, Issue 11, 115103, (November 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.11.115103

KEYWORDS: Light emitting diodes, Scattering, Reflectivity, Line edge roughness, Light scattering, Compound parabolic concentrators, Chemical elements, Absorption, Magnesium, Semiconductor lasers

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SPIE Journal Paper | 29 August 2016

Enhanced performance of refractive laser beam shapers through additional phase control at focus

Meijie Li, Youri Meuret, Michael Vervaeke, Hugo Thienpont, Fabian Duerr

OE, Vol. 55, Issue 08, 085106, (August 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.8.085106

KEYWORDS: Beam shaping, Lenses, Chemical elements, Wave propagation, Aspheric lenses, Geometrical optics, Lens design, Optical engineering, Beam expanders, Control systems

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Proceedings Article | 17 June 2016 Paper

Paper

Opto-thermal study of cooling strategies for high-luminance white-light solid-state sources

António Correia, Peter Hanselaer, Youri Meuret

Proceedings Volume 9889, 98890P (2016) https://doi.org/10.1117/12.2227510

KEYWORDS: Quenching (fluorescence), Solid state physics, Light sources, Quantum efficiency, Thermal effects, Optical simulations, Solid state lasers, Light, Light sources and illumination, Light emitting diodes, Solid state electronics

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Proceedings Article | 29 April 2016 Paper

Paper

Speckle perception and disturbance limit in laser based projectors

Guy Verschaffelt, Stijn Roelandt, Youri Meuret, Wendy Van den Broeck, Katriina Kilpi, Bram Lievens, An Jacobs, Peter Janssens, Hugo Thienpont

Proceedings Volume 9896, 98960R (2016) https://doi.org/10.1117/12.2227535

KEYWORDS: Speckle, Projection systems, Laser applications, Laser based displays, Speckle pattern, Image quality, Molybdenum, Polarizers, Cameras, CCD cameras, Optical filtering

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Proceedings Article | 27 April 2016 Paper

Paper

Design of focal beam shaping system through irradiance and phase control

Meijie Li, Youri Meuret, Michael Vervaeke, Hugo Thienpont, Fabian Duerr

Proceedings Volume 9889, 988910 (2016) https://doi.org/10.1117/12.2227899

KEYWORDS: Beam shaping, Ray tracing, Lens design, Wave propagation, Collimation, Wavefronts, Optical design, Laser applications, Optical components, Geometrical optics, Fourier transforms, Chemical elements, Aspheric lenses

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Proceedings Article | 27 April 2016 Paper

Paper

Evaluation of simulation alternatives for the brute-force ray-tracing approach used in backlight design

Karel Desnijder, Peter Hanselaer, Youri Meuret

Proceedings Volume 9889, 98890O (2016) https://doi.org/10.1117/12.2227655

KEYWORDS: Waveguides, Monte Carlo methods, Ray tracing, Light scattering, Clouds, Scattering, LED backlight, Optimization (mathematics), Testing and analysis, Performance modeling, Reflection, Modeling, Light, Light sources

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Proceedings Article | 27 April 2016 Paper

Paper

Spot phosphor concept applied to the remote phosphor configuration of a white phosphor-converted LED

Paula Acuña, António Correia, Jana Ryckaert, Youri Meuret, Geert Deconinck, Peter Hanselaer

Proceedings Volume 9889, 98890U (2016) https://doi.org/10.1117/12.2225986

KEYWORDS: Light emitting diodes, Scattering, Chemical elements, Compound parabolic concentrators, Light, Thin films, Data modeling, Reflectivity, Line edge roughness, Light sources

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Proceedings Article | 23 September 2015 Paper

Paper

Simulation of white LEDs with a planar luminescent layer using the extended Adding-Doubling method

Jana Ryckaert, Sven Leyre, Peter Hanselaer, Youri Meuret

Proceedings Volume 9629, 96290K (2015) https://doi.org/10.1117/12.2191165

KEYWORDS: Light emitting diodes, Monte Carlo methods, Blue light emitting diodes, Reflection, Light scattering, Light, Scattering, Computer simulations, Reflectivity, Absorption

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SPIE Journal Paper | 12 May 2015

Incoupling and outcoupling of light from a luminescent rod using a compound parabolic concentrator

Stijn Roelandt, Youri Meuret, Dick K. de Boer, Dominique Bruls, Patrick Van De Voorde, Hugo Thienpont

OE, Vol. 54, Issue 05, 055101, (May 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.5.055101

KEYWORDS: Collimators, Refractive index, Compound parabolic concentrators, Light emitting diodes, Light sources, Projection systems, Light, Waveguides, Geometrical optics, Optical engineering

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Proceedings Article | 25 September 2014 Paper

Paper

Proof-of-concept demonstration of a miniaturized multi-resolution refocusing imaging system using an electrically tunable lens

L. Smeesters, G. Belay, H. Ottevaere, Y. Meuret, Michael Vervaeke, J. Van Erps, H. Thienpont

Proceedings Volume 9192, 91920G (2014) https://doi.org/10.1117/12.2061296

KEYWORDS: Image resolution, Imaging systems, Multichannel imaging systems, Image sensors, Modulation transfer functions, Spatial resolution, Image quality, Liquids, Liquid lenses, Lens design

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SPIE Journal Paper | 6 August 2014 Open Access

Open Access

Comprehensive numerical design approach for refractive laser beam shapers to generate annular irradiance profiles

Meijie Li, Youri Meuret, Fabian Duerr, Michael Vervaeke, Hugo Thienpont

OE, Vol. 53, Issue 08, 085103, (August 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.8.085103

KEYWORDS: Ray tracing, Beam shaping, Lenses, Computer simulations, Collimation, Lens design, Optical simulations, Solids, Optical design, Laser development

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Proceedings Article | 15 May 2014 Paper

Paper

Refocusing capabilities in a miniaturized multi-channel multi-resolution imaging system using a tunable lens

L. Smeesters, Gebirie Belay, H. Ottevaere, Youri Meuret, H. Thienpont

Proceedings Volume 9138, 913809 (2014) https://doi.org/10.1117/12.2051936

KEYWORDS: Imaging systems, Modulation transfer functions, Image resolution, Liquid lenses, Liquids, Image sensors, Image quality, Spatial resolution, Multichannel imaging systems, Lens design

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Proceedings Article | 15 May 2014 Paper

Paper

Proof-of-concept demonstration of a miniaturized three-channel multiresolution imaging system

Gebirie Belay, Heidi Ottevaere, Youri Meuret, Michael Vervaeke, Jürgen Van Erps, Hugo Thienpont

Proceedings Volume 9138, 91380B (2014) https://doi.org/10.1117/12.2051785

KEYWORDS: Imaging systems, Modulation transfer functions, Image sensors, Multichannel imaging systems, Spatial resolution, Microlens array, CMOS sensors, Microlens, Lens design, Image resolution

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Proceedings Article | 1 May 2014 Paper

Paper

Design of refractive laser beam shapers to generate complex irradiance profiles

Meijie Li, Youri Meuret, Fabian Duerr, Michael Vervaeke, Hugo Thienpont

Proceedings Volume 9131, 913105 (2014) https://doi.org/10.1117/12.2052353

KEYWORDS: Ray tracing, Beam shaping, Collimation, Laser development, Optical design, Solids, Lenses, Lens design, Optical simulations, Geometrical optics

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Proceedings Article | 1 May 2014 Paper

Paper

Taking the spectral overlap between excitation and emission spectra of fluorescent materials into account with Monte Carlo simulations

Sven Leyre, Jana Ryckaert, Paula Acuna, Jan Audenaert, Youri Meuret, Johan Hofkens, Guy Durinck, Geert Deconinck, Peter Hanselaer

Proceedings Volume 9131, 913103 (2014) https://doi.org/10.1117/12.2051995

KEYWORDS: Ray tracing, Monte Carlo methods, Quantum dots, Fluorescent materials, Light emitting diodes, Absorption, Luminescence, Photons, Computer simulations, Modeling

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Proceedings Article | 1 May 2014 Paper

Paper

The influence of a light pipe on the coherence properties in laser projectors

Stijn Roelandt, Jani Tervo, Youri Meuret, Guy Verschaffelt, Hugo Thienpont

Proceedings Volume 9131, 91310J (2014) https://doi.org/10.1117/12.2051140

KEYWORDS: Electroluminescent displays, Spatial coherence, Interferometers, Projection systems, Light, Light wave propagation, Wavefronts, Free space, Charge-coupled devices, Computer simulations

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Proceedings Article | 25 September 2013 Paper

Paper

A three-channel miniaturized optical system for multi-resolution imaging

Gebirie Belay, Heidi Ottevaere, Youri Meuret, Hugo Thienpont

Proceedings Volume 8841, 88410N (2013) https://doi.org/10.1117/12.2023112

KEYWORDS: Imaging systems, Performance modeling, Lens design, Image sensors, Modulation transfer functions, Additive manufacturing, Multichannel imaging systems, Spatial resolution, Code v, Aspheric lenses

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Proceedings Article | 18 December 2012 Paper

Paper

Analytic free-form lens design for tracking integration in concentrating photovoltaics

Fabian Duerr, Pablo Benítez, Juan Carlos Miñano, Youri Meuret, Hugo Thienpont

Proceedings Volume 8550, 85502I (2012) https://doi.org/10.1117/12.980896

KEYWORDS: Solar cells, Optical design, Solar concentrators, Lens design, Sun, Optical arrays, Concentrated solar cells, Integrated optics, Nonimaging optics, Optical tracking

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Proceedings Article | 11 October 2012 Paper

Paper

Analytic free-form lens design for imaging applications with high aspect ratio

Fabian Duerr, Pablo Benítez, Juan Carlos Miñano, Youri Meuret, Hugo Thienpont

Proceedings Volume 8486, 848609 (2012) https://doi.org/10.1117/12.929243

KEYWORDS: Optical design, Imaging systems, Lens design, Ray tracing, Geometrical optics, Differential equations, Freeform optics, 3D image processing, Nonimaging optics, Aspheric lenses

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SPIE Journal Paper | 22 August 2012

Reduced-complexity multiview prediction scheme with content-adaptive disparity vector estimation

Aykut Avci, Jelle De Smet, Jan De Cock, Peter Lambert, Youri Meuret, Herbert De Smet

JEI, Vol. 21, Issue 3, 033009, (August 2012) https://doi.org/10.1117/12.10.1117/1.JEI.21.3.033009

KEYWORDS: Computer programming, Cameras, Video, Video coding, Image quality, Image processing, Imaging systems, Motion estimation, Video processing, 3D displays

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Proceedings Article | 15 May 2012 Paper

Paper

Low speckle line generation using a semiconductor laser source

Gordon Craggs, Youri Meuret, Jan Danckaert, Guy Verschaffelt

Proceedings Volume 8433, 84330M (2012) https://doi.org/10.1117/12.922399

KEYWORDS: Speckle, Vertical cavity surface emitting lasers, Speckle pattern, Semiconductor lasers, Electroluminescent displays, CCD cameras, Spatial coherence, Relays, Linear polarizers, Polarization

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Proceedings Article | 9 May 2012 Paper

Paper

The experimental characterization of the absorption and scatter properties of photopolymers

Wendy Meulebroeck, Youri Meuret, Stefaan Heyvaert, Hugo Thienpont

Proceedings Volume 8439, 84391Z (2012) https://doi.org/10.1117/12.921807

KEYWORDS: Photopolymers, Absorbance, Absorption, Transmittance, Modulation transfer functions, Scattering, Positron emission tomography, Imaging systems, 3D modeling, Light sources

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Proceedings Article | 9 May 2012 Paper

Paper

Optical characterization of a miniaturized large field of view motion sensor

Els Moens, Heidi Ottevaere, Youri Meuret, Hugo Thienpont

Proceedings Volume 8428, 842813 (2012) https://doi.org/10.1117/12.922203

KEYWORDS: Sensors, Channel projecting optics, Spatial resolution, CMOS sensors, Distortion, Micro optics, Modulation transfer functions, Lens design, Geometrical optics, Light sources

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Proceedings Article | 5 May 2012 Paper

Paper

An iterative approach for modeling the interaction of a partial coherent light distribution with an absorbing photosensitive polymer

S. Heyvaert, Y. Meuret, W. Meulebroeck, H. Thienpont

Proceedings Volume 8429, 84291J (2012) https://doi.org/10.1117/12.921828

KEYWORDS: Absorption, Micromirrors, Polymers, MATLAB, Digital micromirror devices, Geometrical optics, Beam propagation method, Refraction, Numerical simulations, Printing

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Proceedings Article | 5 May 2012 Paper

Paper

Optical design of a multi-channel, multi-resolution imaging system

Gebirie Belay, Youri Meuret, Heidi Ottevaere, Hugo Thienpont

Proceedings Volume 8429, 84290A (2012) https://doi.org/10.1117/12.922315

KEYWORDS: Channel projecting optics, Imaging systems, Image sensors, Spatial resolution, Image processing, Modulation transfer functions, Image segmentation, Optical design, Diffraction, Point spread functions

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Proceedings Article | 5 May 2012 Paper

Paper

Perfect imaging of three object points with only two analytic lens surfaces in two dimensions

Fabian Duerr, Pablo Benítez, Juan Carlos Miñano, Youri Meuret, Hugo Thienpont

Proceedings Volume 8429, 842908 (2012) https://doi.org/10.1117/12.922089

KEYWORDS: Optical design, Geometrical optics, Differential equations, Ray tracing, Lens design, Refractive index, Imaging systems, Chemical elements, Image segmentation, Nonimaging optics

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Proceedings Article | 1 May 2012 Paper

Paper

Evaluation of an extensive speckle measurement method

Stijn Roelandt, Youri Meuret, Gordon Craggs, Guy Verschaffelt, Peter Janssens, Hugo Thienpont

Proceedings Volume 8436, 843603 (2012) https://doi.org/10.1117/12.922197

KEYWORDS: Speckle, Cameras, Projection systems, Imaging systems, Image sensors, Speckle pattern, Sensors, Laser applications, Diffusers, Image resolution

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Proceedings Article | 30 January 2012 Paper

Paper

A content-adaptive scheme for reduced-complexity, multi-view video coding

Aykut Avci, Jan De Cock, Jelle De Smet, Youri Meuret, Peter Lambert, Herbert De Smet

Proceedings Volume 8290, 829014 (2012) https://doi.org/10.1117/12.912099

KEYWORDS: Computer programming, Cameras, Video, Ions, Video coding, Image processing, Video processing, Algorithm development, Photonics, Image quality

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Proceedings Article | 23 September 2011 Paper

Paper

Integrating tracking in concentrating photovoltaics using non-rotational symmetric laterally moving optics

Fabian Duerr, Pablo Benítez, Juan Carlos Miñano, Youri Meuret, Hugo Thienpont

Proceedings Volume 8124, 81240M (2011) https://doi.org/10.1117/12.893330

KEYWORDS: Lenses, Solar concentrators, Lens design, Optical design, Solar cells, Concentrated solar cells, Receivers, Detection and tracking algorithms, Sun, Optical tracking

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SPIE Journal Paper | 1 December 2010

Analysis of two novel concepts for multiview three-dimensional displays using one projector

Lawrence Bogaert, Youri Meuret, Herbert De Smet, Hugo Thienpont

OE, Vol. 49, Issue 12, 127401, (December 2010) https://doi.org/10.1117/12.10.1117/1.3524240

KEYWORDS: Modulators, Digital micromirror devices, 3D displays, Projection systems, Micromirrors, Fresnel lenses, Optical engineering, Modulation, Cylindrical lenses, Optical simulations

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Proceedings Article | 14 September 2010 Paper

Paper

Speckle characteristics of a laser projector using nonmodal laser emission of a semiconductor laser

Gordon M. Craggs, Falko Riechert, Youri Meuret, Hugo Thienpont, Jan Danckaert, Uli Lemmer, Guy Verschaffelt

Proceedings Volume 7387, 73870O (2010) https://doi.org/10.1117/12.868299

KEYWORDS: Speckle, Vertical cavity surface emitting lasers, Beam homogenizers, Microlens, Semiconductor lasers, Speckle pattern, Spatial coherence, Cameras, Projection systems, Near field

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Proceedings Article | 19 August 2010 Paper

Paper

Benchmarking concentrating photovoltaic systems

Fabian Duerr, Buvaneshwari Muthirayan, Youri Meuret, Hugo Thienpont

Proceedings Volume 7773, 777315 (2010) https://doi.org/10.1117/12.860554

KEYWORDS: Solar concentrators, Photovoltaics, Solar energy, Performance modeling, Solar cells, Solar radiation models, MATLAB, Systems modeling, Detection and tracking algorithms, Sun

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Proceedings Article | 18 May 2010 Paper

Paper

Down scaling of micro-structured Fresnel lenses for solar concentration: a quantitative investigation

Fabian Duerr, Youri Meuret, Hugo Thienpont

Proceedings Volume 7725, 772509 (2010) https://doi.org/10.1117/12.853793

KEYWORDS: Fresnel lenses, Prisms, Geometrical optics, Ray tracing, Optical simulations, Solar concentrators, Receivers, Solar cells, Computer simulations, Wavefronts

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Proceedings Article | 14 May 2010 Paper

Paper

LED projection architectures for stereoscopic and multiview 3D displays

Youri Meuret, Lawrence Bogaert, Stijn Roelandt, Jana Vanderheijden, Aykut Avci, Herbert De Smet, Hugo Thienpont

Proceedings Volume 7690, 769007 (2010) https://doi.org/10.1117/12.850067

KEYWORDS: Projection systems, Light emitting diodes, Liquid crystal on silicon, Modulation, 3D displays, LED displays, Digital micromirror devices, 3D visualizations, Visualization, 3D image processing

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Proceedings Article | 14 May 2010 Paper

Paper

An insect eye-based image sensor with very large field of view

Els Moens, Youri Meuret, Heidi Ottevaere, Mukul Sarkar, David San Segundo Bello, Patrick Merken, Hugo Thienpont

Proceedings Volume 7716, 77162D (2010) https://doi.org/10.1117/12.854455

KEYWORDS: Channel projecting optics, Lenses, Sensors, Image sensors, Eye, Distortion, Modulation transfer functions, Spatial resolution, Image quality, Superposition

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Proceedings Article | 13 May 2010 Paper

Paper

Realistic opto-mechanical simulation and tolerancing of an automotive optical transmitter coupling system

Michael Vervaeke, Els Moens, Youri Meuret, Heidi Ottevaere, Carl Van Buggenhout, Piet De Pauw, Hugo Thienpont

Proceedings Volume 7716, 77161P (2010) https://doi.org/10.1117/12.853643

KEYWORDS: Tolerancing, Phase only filters, Monte Carlo methods, Assembly tolerances, 3D modeling, Statistical analysis, Optics manufacturing, Navigation systems, Manufacturing, Silicon

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Proceedings Article | 5 May 2010 Paper

Paper

Color uniformity in compact LED illumination for DMD projectors

Stijn Roelandt, Lawrence Bogaert, Youri Meuret, Aykut Avci, Herbert De Smet, Hugo Thienpont

Proceedings Volume 7723, 77230X (2010) https://doi.org/10.1117/12.854333

KEYWORDS: Light emitting diodes, Digital micromirror devices, Projection systems, Optical filters, Light sources, LED lighting, Prototyping, Blue light emitting diodes, Modulators, Relays

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Proceedings Article | 28 April 2010 Paper

Paper

Low-speckle laser projection using farfield nonmodal emission of a broad-area vertical-cavity surface-emitting laser

Gordon M. Craggs, Falko Riechert, Youri Meuret, Hugo Thienpont, Uli Lemmer, Guy Verschaffelt

Proceedings Volume 7720, 772020 (2010) https://doi.org/10.1117/12.854427

KEYWORDS: Speckle, Vertical cavity surface emitting lasers, Speckle pattern, Microlens, Spatial coherence, Beam homogenizers, Cameras, Semiconductor lasers, Pulsed laser operation, Continuous wave operation

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Proceedings Article | 17 February 2010 Paper

Paper

Single projector multiview displays: directional illumination compared to beam steering

Lawrence Bogaert, Youri Meuret, Stijn Roelandt, Aykut Avci, Herbert De Smet, Hugo Thienpont

Proceedings Volume 7524, 75241R (2010) https://doi.org/10.1117/12.838678

KEYWORDS: Digital micromirror devices, Modulators, Projection systems, Modulation, Micromirrors, Fresnel lenses, 3D displays, Optical simulations, Collimation, Beam steering

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Proceedings Article | 4 February 2010 Paper

Paper

Efficient disparity vector coding for multi-view 3D displays

Aykut Avci, Lawrence Bogaert, Roel Beernaert, Jelle De Smet, Youri Meuret, Hugo Thienpont, Herbert De Smet

Proceedings Volume 7526, 752609 (2010) https://doi.org/10.1117/12.838296

KEYWORDS: Cameras, Computer programming, Image quality, 3D displays, 3D image processing, Video coding, Video, Imaging systems, Standards development, Image quality standards

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Proceedings Article | 21 August 2009 Paper

Paper

Improving the color uniformity of a LED-array based illumination system with a tailored light distribution

Youri Meuret, Lieve Lanoye, Filip Bruyneel, Hugo Thienpont

Proceedings Volume 7423, 74230N (2009) https://doi.org/10.1117/12.825255

KEYWORDS: Light emitting diodes, Reflectors, Tolerancing, Statistical analysis, Light scattering, Scattering, Diffusers, Colorimetry, RGB color model, Optical design

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Proceedings Article | 14 May 2008 Paper

Paper

Realistic opto-mechanical modelling of plastic optical fiber coupling systems

Els Moens, Michael Vervaeke, Youri Meuret, Heidi Ottevaere, Carl Van Buggenhout, Piet De Pauw, Hugo Thienpont

Proceedings Volume 6992, 69920X (2008) https://doi.org/10.1117/12.779981

KEYWORDS: Phase only filters, Tolerancing, Temperature metrology, Epoxies, Monte Carlo methods, Compound parabolic concentrators, Polymer optical fibers, 3D modeling, Light, Refractive index

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Proceedings Article | 30 April 2008 Paper

Paper

Reliable simulation of optical bridge system by exchanging optical field data

Youri Meuret, Norbert Lindlein, Ingo Sieber, Iñigo Arthundo, Christof Debaes, Woicek Grabowski, Ryszard Buczynski, Andrew Waddie, Frank Wyrowski, Hugo Thienpont

Proceedings Volume 6994, 699405 (2008) https://doi.org/10.1117/12.780982

KEYWORDS: Performance modeling, Bridges, Optical simulations, Zemax, Strontium, Semiconductor lasers, Lenses, Single mode fibers, Micro optics, Optical components

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Proceedings Article | 25 April 2008 Paper

Paper

Optical design of a compact illumination system for LED projection displays

Bart Van Giel, Youri Meuret, Lawrence Bogaert, Hugo Thienpont

Proceedings Volume 7001, 70010H (2008) https://doi.org/10.1117/12.779992

KEYWORDS: Light emitting diodes, Collimators, LED displays, Light valves, Light, Projection systems, Collimation, Eye, Light sources, Optical design

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Proceedings Article | 23 April 2008 Paper

Paper

Demonstration of a polarization-based full-color stereoscopic projection display using liquid crystal on silicon panels and light emitting diodes

Lawrence Bogaert, Youri Meuret, Bart Van Giel, Hüseyin Murat, Herbert De Smet, Hugo Thienpont

Proceedings Volume 7001, 700103 (2008) https://doi.org/10.1117/12.780451

KEYWORDS: Liquid crystal on silicon, Projection systems, Light emitting diodes, Modulation, Polarization, Eyeglasses, Wave plates, 3D displays, Eye, 3D image processing

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SPIE Journal Paper | 1 December 2007

Two liquid crystal on silicon panel projector with efficient light-emitting diode illumination engine

Hüseyin Murat, Dieter Cuypers, Herbert De Smet, Youri Meuret, Bart Van Giel, Lawrence Bogaert, Hugo Thienpont

OE, Vol. 46, Issue 12, 124002, (December 2007) https://doi.org/10.1117/12.10.1117/1.2822392

KEYWORDS: Projection systems, Light emitting diodes, Liquid crystal on silicon, Polarization, Light valves, Modulation, Green light emitting diodes, Optical engineering, Light sources, Polarizers

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SPIE Journal Paper | 1 April 2007

Using a fly's eye integrator in efficient illumination engines with multiple light-emitting diode light sources

Bart Van Giel, Youri Meuret, Hugo Thienpont

OE, Vol. 46, Issue 04, 043001, (April 2007) https://doi.org/10.1117/12.10.1117/1.2727313

KEYWORDS: Light emitting diodes, Light valves, Eye, Light sources, Imaging systems, Reflectors, Compound parabolic concentrators, Illumination engineering, Relays, Optical engineering

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Proceedings Article | 6 February 2007 Paper

Paper

LED based full color stereoscopic projection system

Lawrence Bogaert, Youri Meuret, Bart Van Giel, Hugo Thienpont

Proceedings Volume 6489, 64890E (2007) https://doi.org/10.1117/12.699466

KEYWORDS: Liquid crystal on silicon, Light emitting diodes, Projection systems, Polarization, Compound parabolic concentrators, 3D displays, Light sources, Light, Eye, 3D image processing

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Proceedings Article | 27 April 2006 Paper

Paper

Design, modeling, and prototyping of microinterferometric tomography system for optical fiber inspection

Rafal Krajewski, Bart Volckaerts, Youri Meuret, Malgorzata Kujawinska, Hugo Thienpont

Proceedings Volume 6188, 61880J (2006) https://doi.org/10.1117/12.663958

KEYWORDS: Tomography, Interferometers, Prototyping, Refractive index, Head, Interferometry, Inspection, Waveguides, Polymethylmethacrylate, Fringe analysis

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Proceedings Article | 21 April 2006 Paper

Paper

Design, fabrication, and characterization of a low-cost lens-based fibre connector for passive optical networks

C. Ruwisch, Y. Meuret, J. Van Erps, B. Volckaerts, H. Thienpont, J. Watté

Proceedings Volume 6185, 618513 (2006) https://doi.org/10.1117/12.661898

KEYWORDS: Connectors, Tolerancing, Prisms, Beam propagation method, Gaussian beams, Optical simulations, Fiber couplers, Spherical lenses, Passive optical networks, Assembly tolerances

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Proceedings Article | 21 April 2006 Paper

Paper

Design of axisymmetrical tailored concentrators for LED light source applications

Bart Van Giel, Youri Meuret, Hugo Thienpont

Proceedings Volume 6196, 619603 (2006) https://doi.org/10.1117/12.660115

KEYWORDS: Light emitting diodes, Compound parabolic concentrators, Collimation, Reflectors, Reflectivity, Coating, Projection systems, Differential equations, Lens design, Light sources

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Proceedings Article | 21 April 2006 Paper

Paper

Light propagation in a GRIN microlens with gain or loss and comparison with lossless case

C. Gomez-Reino, M. T. Flores-Arias, A. Castelo, Y. Meuret, C. Ruwisch, H. Thienpont, N. Lindelein

Proceedings Volume 6185, 618515 (2006) https://doi.org/10.1117/12.661993

KEYWORDS: Microlens, GRIN lenses, Point spread functions, Refractive index, Distance measurement, Gradient-index optics, Geometrical optics, Integral transforms, Chemical elements, Light wave propagation

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Proceedings Article | 21 April 2006 Paper

Paper

Efficient illumination in LED-based projection systems using lenslet integrators

Youri Meuret, Bart Vangiel, Filip Christiaens, Hugo Thienpont

Proceedings Volume 6196, 619605 (2006) https://doi.org/10.1117/12.661219

KEYWORDS: Light valves, Projection systems, Light emitting diodes, Relays, Liquid crystal on silicon, Compound parabolic concentrators, Light sources, Reflectivity, Optical simulations, Optical coatings

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Proceedings Article | 21 April 2006 Paper

Paper

Design of a light-guide used for the real-time monitoring of LCD displays

W. Meulebroeck, Y. Meuret, C. Ruwisch, T. Kimpe, P. Vandenberghe, H. Thienpont

Proceedings Volume 6196, 61960M (2006) https://doi.org/10.1117/12.660885

KEYWORDS: Photodiodes, Sensors, Scattering, Light scattering, LCDs, Stray light, Nose, Spherical lenses, Ray tracing, Waveguides

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SPIE Journal Paper | 1 March 2006

Increased lumens per étendue by combining pulsed light-emitting diodes

Hüseyin Murat, Herbert De Smet, Dieter Cuypers, Youri Meuret, Hugo Thienpont, Michael Vervaeke, Lieven Desmet

OE, Vol. 45, Issue 03, 034002, (March 2006) https://doi.org/10.1117/12.10.1117/1.2186036

KEYWORDS: Light emitting diodes, Projection systems, Lamps, Polarization, Light sources, Liquid crystal on silicon, Optical engineering, Wave plates, Mirrors, Sensors

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Proceedings Article | 10 April 2005 Paper

Paper

Increased lumens per étendue by combining pulsed LEDs

Hueseyin Murat, Herbert De Smet, Dieter Cuypers, Youri Meuret, Hugo Thienpont, Michael Vervaeke, Lieven Desmet

Proceedings Volume 5740, (2005) https://doi.org/10.1117/12.588312

KEYWORDS: Light emitting diodes, Projection systems, Polarization, Lamps, Wave plates, Light sources, Mirrors, Liquid crystal on silicon, Sensors, Polarizers

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SPIE Journal Paper | 1 December 2003

Optical engines for high-performance liquid crystal on silicon projection systems

Youri Meuret, Patrick De Visschere

OE, Vol. 42, Issue 12, (December 2003) https://doi.org/10.1117/12.10.1117/1.1622705

KEYWORDS: Liquid crystal on silicon, Projection systems, Optical coatings, Reflection, Polarizers, Glasses, Optical simulations, Reflectivity, Liquid crystals, Lamps

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SPIE Journal Paper | 1 March 2003

Contrast-improving methods for Digital Micromirror Device projectors

Youri Meuret, Patrick De Visschere

OE, Vol. 42, Issue 03, (March 2003) https://doi.org/10.1117/12.10.1117/1.1542594

KEYWORDS: Digital micromirror devices, Mirrors, Projection systems, Light scattering, Scattering, Prisms, Reflection, Optical engineering, Geometrical optics, Optical simulations

Showing 5 of 64 publications

Proceedings Volume Editor (4)

SPIE Conference Volume | 25 July 2016

Optical Modelling and Design IV

SPIE Conference Volume | 21 May 2014

Optical Modelling and Design III

SPIE Conference Volume | 22 May 2012

Optical Modelling and Design II

SPIE Conference Volume | 5 May 2010

Optical Modelling and Design

Conference Committee Involvement (12)

Optical Design and Testing XIV

12 October 2024 | Nantong, Jiangsu, China

Optical Design and Testing XIII

14 October 2023 | Beijing, China

Optical Design and Testing XII

5 December 2022 | Online Only, China

Light Shaping Focus Session III

4 April 2022 | Strasbourg, France

Optical Design and Testing XI

10 October 2021 | Nantong, JS, China

Showing 5 of 12 Conference Committees

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