Dr. Dejan Grabovičkić Profile

Dr. Dejan Grabovičkić

at Limbak 4PI S.L.

SPIE Involvement:

Author

Publications (28)

Proceedings Article | 19 November 2021 Paper

Paper

Exploring the limits of CLOVER: a multichannel optics for VR and MR

Rubén Mohedano, P. Benítez, D. Grabovičkić, P. Zamora, M. Nikolic, M. Buljan, J. C. Miñano, E. Sanchez, J. Chaves, J. López, E. Pérez, J. Vilaplana, J. C. González

Proceedings Volume 12078, 1207802 (2021) https://doi.org/10.1117/12.2603610

KEYWORDS: Virtual reality, Image segmentation, Image resolution, Freeform optics, Channel projecting optics, Modulation transfer functions, Mixed reality, Data transmission, Spatial resolution, Lenses

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Proceedings Article | 28 March 2021 Presentation

Presentation

Multi-channel optics for virtual and mixed reality: present and future

Pablo Benítez, Juan Minano, Dejan Grabovickic, Julio Chaves, Milena Nikolic, Pablo Zamora, Marina Buljan, Ruben Mohedano, Eduardo Sanchez, Juan Gonzalez

Proceedings Volume 11765, 1176506 (2021) https://doi.org/10.1117/12.2585214

KEYWORDS: Virtual reality, Mixed reality, Freeform optics, Channel projecting optics, Polarization, Optical resolution, Optical design, Head-mounted displays, Distortion

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Proceedings Article | 6 March 2021 Presentation

Presentation

Progress in multi-channel optics for virtual and mixed reality head-mounted displays

Pablo Benítez, Juan C. Minano, Dejan Grabovickic, Pablo Zamora, Marina Buljan, Milena Nikolic, Julio Chaves, Ruben Mohedano, Jesus Lopez, Eduardo Sanchez, Juan Vilaplana, Eduardo Perez, Juan C. Gonzalez

Proceedings Volume 11708, 117080H (2021) https://doi.org/10.1117/12.2583845

KEYWORDS: Virtual reality, Mixed reality, Head-mounted displays

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Proceedings Article | 24 February 2020 Presentation + Paper

Presentation + Paper

Notes on the design of free-form optics

R. Mohedano, P. Benítez, M. Nikolić, J. Chaves, J.C. Miñano, D. Grabovičkić, M. Buljan, P. Zamora

Proceedings Volume 11299, 1129904 (2020) https://doi.org/10.1117/12.2547832

KEYWORDS: Wavefronts, Geometrical optics, Freeform optics, Computer aided design, Optical design, Virtual reality, Optics manufacturing, Lamps, Light emitting diodes

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Proceedings Article | 21 May 2018 Paper

Paper

Ultra-compact multichannel freeform optics for 4xWUXGA OLED microdisplays

Marina Buljan, Bharathwaj Narasimhan, Pablo Benítez, Juan Carlos Miñano, Jesús López, Dejan Grabovičkić, Milena Nikolić, Eduardo Pérez, Jorge Gorospe, Eduardo Sanchez, Juan Carlos González, Pablo Zamora, Rubén Mohedano

Proceedings Volume 10676, 1067607 (2018) https://doi.org/10.1117/12.2307452

KEYWORDS: Freeform optics, Aspheric lenses, Organic light emitting diodes, Lenses, Image resolution, Prototyping, Optical design

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Proceedings Article | 27 November 2017 Paper

Paper

Freeform aplanatism

J. Miñano, P. Benitez, D. Grabovickic, B. Narasimhan, M. Nikolic, J. Infante

Proceedings Volume 10590, 105900S (2017) https://doi.org/10.1117/12.2286629

KEYWORDS: Geometrical optics, Freeform optics, Nonimaging optics, Optical design, Aberration theory

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Proceedings Article | 26 June 2017 Paper

Paper

Super-resolution optics for virtual reality

Dejan Grabovičkić, Pablo Benitez, Juan Miñano, Pablo Zamora, Marina Buljan, Bharathwaj Narasimhan, Milena Nikolic, Jesus Lopez, Jorge Gorospe, Eduardo Sanchez, Carmen Lastres, Ruben Mohedano

Proceedings Volume 10335, 103350G (2017) https://doi.org/10.1117/12.2270178

KEYWORDS: Eye, Image resolution, Virtual reality, Optical design, Distortion, Lens design, Prototyping, Modulation transfer functions, Super resolution, Freeform optics, Optical tracking

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Proceedings Article | 26 June 2017 Paper

Paper

Time multiplexing for increased FOV and resolution in virtual reality

Juan Miñano, Pablo Benitez, Dejan Grabovičkić, Pablo Zamora, Marina Buljan, Bharathwaj Narasimhan

Proceedings Volume 10335, 1033504 (2017) https://doi.org/10.1117/12.2269973

KEYWORDS: Time division multiplexing, Head, Head-mounted displays, LCDs, Switching, Multiplexing, Virtual reality, Camera shutters, Channel projecting optics, Image resolution, Eye, Multichannel imaging systems, Organic light emitting diodes, Glasses

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Proceedings Article | 26 June 2017 Paper

Paper

Advanced freeform optics enabling ultra-compact VR headsets

Pablo Benitez, Juan Miñano, Pablo Zamora, Dejan Grabovičkić, Marina Buljan, Bharathwaj Narasimhan, Jorge Gorospe, Jesús López, Milena Nikolić, Eduardo Sánchez, Carmen Lastres, Ruben Mohedano

Proceedings Volume 10335, 103350I (2017) https://doi.org/10.1117/12.2270317

KEYWORDS: Lens design, Eye, Freeform optics, Optical design, Refraction, Virtual reality, Prototyping, Lenses, Image quality, Geometrical optics, Microlens array

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Proceedings Article | 2 November 2016 Presentation + Paper

Presentation + Paper

Simultaneous calculation of three optical surfaces in the 3D SMS freeform RXI optic

Simone Sorgato, Julio Chaves, Rubén Mohedano, Maikel Hernández, José Blen, Pablo Benitez, Juan Miñano, Dejan Grabovickic, Hugo Thienpont, Fabian Duerr

Proceedings Volume 9955, 99550C (2016) https://doi.org/10.1117/12.2236916

KEYWORDS: Nonimaging optics, Freeform optics, Automotive lighting, Wavefronts, Light emitting diodes, Mirrors, Headlamps, Light, Beam controllers, Tolerancing

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Proceedings Article | 29 September 2016 Paper

Paper

Design of compact optical systems using multichannel configurations

Milena Nikolic, Juan Miñano, P. Benítez, B. Narasimhan, J. Mendes-Lopes, P. Zamora, M. Buljan, D. Grabovickic

Proceedings Volume 9948, 99480M (2016) https://doi.org/10.1117/12.2237641

KEYWORDS: Nonimaging optics, Optical design, Head-mounted displays, Imaging systems, Head, Optics manufacturing, Solar concentrators, Eye, Prototyping, Multichannel imaging systems

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Proceedings Article | 7 September 2016 Paper

Paper

Recent advances in the SMS design method: 3D aplanatism and diffraction

Juan Miñano, P. Benitez, B. Narasimhan, M. Nikolic, J. Mendes-Lopes, D. Grabovickic

Proceedings Volume 9955, 99550D (2016) https://doi.org/10.1117/12.2237402

KEYWORDS: Optical design, Freeform optics, Diffraction, Wavefronts, Imaging systems, Optical components, Monochromatic aberrations, Mirrors, Nonimaging optics, Imaging spectroscopy

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SPIE Journal Paper | 5 April 2016

Optical design through optimization for rectangular apertures using freeform orthogonal polynomials: a case study

Milena Nikolic, Pablo Benítez, Bharathwaj Narasimhan, Dejan Grabovickic, Jayao Liu, Juan Carlos Miñano

OE, Vol. 55, Issue 07, 071204, (April 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.7.071204

KEYWORDS: Optical design, Mirrors, Modulation transfer functions, Optical spheres, Optical engineering, Freeform optics, Aspheric lenses, Computer aided design, LCDs, Optical components

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Proceedings Article | 23 September 2015 Paper

Paper

Design of freeform aplanatic systems

B. Narasimhan, P. Benitez, Juan Miñano, Julio Chaves, D. Grabovickic, Milena Nikolic, J. Infante

Proceedings Volume 9629, 96290C (2015) https://doi.org/10.1117/12.2190882

KEYWORDS: Artificial intelligence, Partial differential equations, Palladium, Monochromatic aberrations, Imaging systems, Freeform optics, Reflection, Mirrors, Optical design, Differential equations

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Proceedings Article | 23 September 2015 Paper

Paper

Optical design through optimization using freeform orthogonal polynomials for rectangular apertures

Milena Nikolic, P. Benítez, Juan Miñano, D. Grabovickic, Jiayao Liu, B. Narasimhan, M. Buljan

Proceedings Volume 9626, 96260V (2015) https://doi.org/10.1117/12.2191068

KEYWORDS: Modulation transfer functions, Mirrors, Optical design, Optics manufacturing, Freeform optics, Off axis mirrors, Patents, Zernike polynomials, Spatial frequencies, Optical spheres

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Proceedings Article | 3 September 2015 Paper

Paper

Design of three freeform mirror aplanat

B. Narasimhan, P. Benitez, Juan Miñano, Julio Chaves, D. Grabovickic, Milena Nikolic, J. Infante

Proceedings Volume 9579, 95790K (2015) https://doi.org/10.1117/12.2189097

KEYWORDS: Artificial intelligence, Monochromatic aberrations, Partial differential equations, Mirrors, Optics manufacturing, Imaging systems, Optical design, Freeform optics, Palladium, Reflection

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Proceedings Article | 25 August 2015 Paper

Paper

Freeform aplanatic concentrators

B. Narasimhan, P. Benitez, Juan Miñano, Julio Chaves, D. Grabovickic, Milena Nikolic, J. Infante

Proceedings Volume 9572, 95720M (2015) https://doi.org/10.1117/12.2189092

KEYWORDS: Artificial intelligence, Solar concentrators, Partial differential equations, Monochromatic aberrations, Palladium, Freeform optics, Reflection, Mirrors, Optical design, Differential equations

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Proceedings Article | 18 December 2012 Paper

Paper

Perfect imaging analysis of the spherical geodesic waveguide

Juan González, Pablo Benítez, Juan Miñano, Dejan Grabovičkić

Proceedings Volume 8550, 855012 (2012) https://doi.org/10.1117/12.981190

KEYWORDS: Spherical lenses, Diffraction, Waveguides, Radon, Imaging systems, Refraction, Magnetism, Receptors, Reflection, Dielectrics

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Proceedings Article | 18 December 2012 Paper

Paper

Super resolution using a modified Spherical Geodesic Waveguide suitable for manufacturing

Hamed Ahmadpanahi, Dejan Grabovičkić, Jorge Carbonell, Juan Carlos González, Pablo Benítez, Juan Carlos Miñano, José Sánchez-Dehesa

Proceedings Volume 8550, 855004 (2012) https://doi.org/10.1117/12.981193

KEYWORDS: Waveguides, Super resolution, Spherical lenses, Manufacturing, Refractive index, Optical spheres, Wave propagation, Prototyping, Aluminum, Scattering

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Proceedings Article | 15 October 2012 Paper

Paper

Super-resolution for a point source using positive refraction

Juan Miñano, Pablo Benítez, Juan González, Dejan Grabovičkić, Hamed Ahmadpanahi

Proceedings Volume 8455, 84551K (2012) https://doi.org/10.1117/12.929706

KEYWORDS: Super resolution, Spherical lenses, Waveguides, Refractive index, Refraction, Eye, Diffraction, Microwave radiation, Optical spheres, Scattering

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Proceedings Article | 11 October 2012 Paper

Paper

Design of spherical symmetric gradient index lenses

Juan Miñano, Dejan Grabovičkić, Pablo Benítez, Juan González, Asunción Santamaría

Proceedings Volume 8485, 848508 (2012) https://doi.org/10.1117/12.931505

KEYWORDS: GRIN lenses, Refractive index, Lenses, Spherical lenses, Eye, Lens design, Electroluminescence, Gradient-index optics, Optical design, Geometrical optics

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Proceedings Article | 5 May 2012 Paper

Paper

Extreme super-resolution using the spherical geodesic waveguide

Juan Carlos Miñano, Juan Carlos González, Pablo Benítez, Dejan Grabovičkić

Proceedings Volume 8429, 84290G (2012) https://doi.org/10.1117/12.923867

KEYWORDS: Super resolution, Spherical lenses, Waveguides, Prototyping, Microwave radiation, Refractive index, Eye, Diffraction, Optical spheres, Manufacturing

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Proceedings Article | 26 April 2012 Paper

Paper

On the design of spherical gradient index lenses

J. C. Miñano, D. Grabovičkić, P. Benítez, J. C. González, A. Santamaría

Proceedings Volume 8429, 842902 (2012) https://doi.org/10.1117/12.924102

KEYWORDS: GRIN lenses, Refractive index, Spherical lenses, Lenses, Lens design, Eye, Numerical analysis, Electroluminescence, Geometrical optics, Gradient-index optics

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Proceedings Article | 21 September 2011 Paper

Paper

Metal-less V-groove RXI collimator

Dejan Grabovičkić, Juan Miñano, Pablo Benítez, Jesús López, Juan Vilaplana, Guillermo Biot, Marina Buljan

Proceedings Volume 8170, 81700G (2011) https://doi.org/10.1117/12.896783

KEYWORDS: Light emitting diodes, Collimators, Prototyping, RGB color model, Reflection, Manufacturing, Design for manufacturability, Polymethylmethacrylate, Ray tracing, Specular reflections

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Proceedings Article | 21 September 2011 Paper

Paper

Design, manufacturing, and measurements of a metal-less V-groove RXI collimator

Dejan Grabovickic, Juan C. Miñano, Pablo Benítez, Cristina Cocho, Marina Buljan

Proceedings Volume 8124, 812404 (2011) https://doi.org/10.1117/12.894614

KEYWORDS: Collimators, Light emitting diodes, Manufacturing, Prototyping, Design for manufacturability, Reflection, RGB color model, Refraction, Polymethylmethacrylate, Nonimaging optics

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Proceedings Article | 21 August 2009 Paper

Paper

Free form V-groove reflector design with the SMS method

Dejan Grabovičkić, Juan Miñano, Pablo Benítez

Proceedings Volume 7423, 742303 (2009) https://doi.org/10.1117/12.827866

KEYWORDS: Reflectors, Wavefronts, Reflector design, Spherical lenses, Reflection, Receivers, Retroreflectors, 3D metrology, Prototyping, Geometrical optics

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Proceedings Article | 11 September 2006 Paper

Paper

Geodesic lenses applied to nonimaging optics

Juan Miñano, Pablo Benítez, Bill Parkyn, Dejan Grabovickic, Fernando García, José Blen, Asunción Santamaría, Julio Chaves, Waqidi Falicoff

Proceedings Volume 6338, 633807 (2006) https://doi.org/10.1117/12.682128

KEYWORDS: Lenses, Light emitting diodes, Fiber optic illuminators, Refractive index, Waveguides, Dielectrics, Nonimaging optics, Lens design, Ray tracing, Geometrical optics

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Proceedings Article | 3 August 2006 Paper

Paper

Geodesic lens: new designs for illumination engineering

Juan Miñano, Pablo Benítez, Bill Parkyn, Dejan Grabovickic, Fernando García, Asunción Santamaría, José Blen, Julio Chaves, Waqidi Falicoff

Proceedings Volume 6342, 634214 (2006) https://doi.org/10.1117/12.692271

KEYWORDS: Light emitting diodes, Fiber optic illuminators, Lens design, Refractive index, Waveguides, Dielectrics, Illumination engineering, Ray tracing, Microlens, Light

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Showing 5 of 28 publications

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