Dr. Johannes Courtial Profile

Dr. Johannes Courtial

at Univ of Glasgow

SPIE Involvement:

Author

Publications (28)

Proceedings Article | 30 November 2023 Paper

Axicon cloak: broadband field of view invisibility for a visible light

Jakub Bělín, Matúš Soboňa, Maik Locher, Johannes Courtial

Proceedings Volume 12796, 1279608 (2023) https://doi.org/10.1117/12.3012408

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Proceedings Article | 28 September 2023 Presentation + Paper

Closed loop light ray trajectories in transformation optic devices

Maik Locher, Jiyu Tan, Jakub Belín, Tomáš Tyc, Johannes Courtial

Proceedings Volume 12664, 126640C (2023) https://doi.org/10.1117/12.2676872

KEYWORDS: Geometrical optics, Windows, Lenses, Metamaterials, Engineering, Physics, Light sources, Switching, Solids, Refractive index

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Proceedings Article | 28 September 2023 Poster + Paper

Ideal thin lens lookalike

Maik Locher, Adam Cepil, Johannes Courtial

Proceedings Volume 12665, 126650R (2023) https://doi.org/10.1117/12.2676895

KEYWORDS: Optical surfaces, Simulations, Refractive index, Lenses, Point clouds, Optical design, Physics, Imperfections, Imaging systems, Geometrical optics

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Proceedings Article | 28 September 2023 Poster + Paper

View rotation spectacles

Maik Locher, Johannes Courtial

Proceedings Volume 12665, 126650Q (2023) https://doi.org/10.1117/12.2676739

KEYWORDS: Eye, Eyeglasses, Binocular vision, Image quality, Visualization, Cameras, Medical procedures, Surgery, Objectives, Image fusion

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Proceedings Article | 6 June 2023 Poster + Paper

Perfect invisibility with nested inside-out cloaks

Matúš Soboňa, Johannes Courtial, Jakub Bělín, Maik Locher, Tomáš Tyc

Proceedings Volume 12568, 125681A (2023) https://doi.org/10.1117/12.2671414

KEYWORDS: Prisms, Design and modelling, Materials properties, Physics, Lenses, Metamaterials, Engineering

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Proceedings Article | 8 March 2018 Paper

A new concept of imaging system: telescope windows

Cyril Bourgenot, Euan Cowie, Laura Young, Gordon Love, John Girkin, Johannes Courtial

Proceedings Volume 10474, 104741Z (2018) https://doi.org/10.1117/12.2289657

KEYWORDS: Telescopes, Prototyping, Diffraction, Imaging systems, Lenses, Wavefronts, Polymethylmethacrylate, Manufacturing, Geometrical optics, Microlens array

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Proceedings Article | 22 February 2018 Presentation + Paper

Generation of fractal structured eigenmodes from lasers

Hend Sroor, Darryl Naidoo, Johannes Courtial, Andrew Forbes

Proceedings Volume 10549, 105490B (2018) https://doi.org/10.1117/12.2291019

KEYWORDS: Fractal analysis, Resonators, Mirrors, Diffraction, Laser resonators, Confocal microscopy, CCD cameras, Physics, Laser optics, Beam shaping

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Proceedings Article | 16 February 2018 Presentation + Paper

A novel laser resonator for fractal modes

Hend Sroor, Darryl Naidoo, Johannes Courtial, Andrew Forbes

Proceedings Volume 10518, 105181N (2018) https://doi.org/10.1117/12.2290958

KEYWORDS: Fractal analysis, Laser resonators, Resonators, Mirrors, Laser beam propagation, CCD cameras, Physics, Computer graphics, Image compression, Diffraction

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Proceedings Article | 24 August 2017 Paper

Imaging with pairs of skew lenses

Jakub Bělín, Stephen Oxburgh, Tomáš Tyc, Johannes Courtial

Proceedings Volume 10376, 1037607 (2017) https://doi.org/10.1117/12.2272989

KEYWORDS: Lenses, Optical design, Optical components

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Proceedings Article | 24 August 2017 Paper

Experimental realisability of lens cloaks

Stephen Oxburgh, Jakub Bělín, Euan Cowie, Johannes Courtial

Proceedings Volume 10376, 103760D (2017) https://doi.org/10.1117/12.2272990

KEYWORDS: Geometrical optics, Optical simulations, Holograms, Telescopes

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Proceedings Article | 24 August 2017 Paper

Ideal-lens stars

Jakub Bĕlín, Tomáš Tyc, Stephen Oxburgh, Johannes Courtial

Proceedings Volume 10376, 1037605 (2017) https://doi.org/10.1117/12.2272991

KEYWORDS: Lenses

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Proceedings Article | 24 August 2017 Presentation + Paper

Design, manufacture, and evaluation of prototype telescope windows for use in low-vision aids

Cyril Bourgenot, Johannes Courtial, Euan Cowie, John Girkin, Gordon Love, David Robertson, Laura Young

Proceedings Volume 10376, 103760I (2017) https://doi.org/10.1117/12.2272992

KEYWORDS: Telescopes, Optics manufacturing, Optical instrument design, Prototyping, Design for manufacturability, Optical components, Eyewear, Micro optics, Geometrical optics, Imaging systems

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Proceedings Article | 29 September 2016 Presentation + Paper

Resolution limits of pixellated optical components

Euan Cowie, Cyril Bourgenot, David Robertson, Johannes Courtial

Proceedings Volume 9948, 99480N (2016) https://doi.org/10.1117/12.2237826

KEYWORDS: Optical components, Image resolution, Confocal microscopy, Interfaces, Telescopes, Optical instrument design, Visibility, Geometrical optics, Refraction, Physics

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Proceedings Article | 27 September 2016 Presentation + Paper

Photography at relativistic speeds

Johannes Courtial, Norman Gray, Ruaridh O'Donnell, Ross MacSporran, Stephen Oxburgh, Martin Hendry, Euan Cowie

Proceedings Volume 9948, 994808 (2016) https://doi.org/10.1117/12.2237850

KEYWORDS: Camera shutters, Cameras, Photography, Ray tracing, Distortion, Special relativity, Visualization, Computer simulations, Device simulation, Sensors

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Proceedings Article | 16 September 2016 Paper

Progress towards omnidirectional transformation optics with lenses

Johannes Courtial, Stephen Oxburgh, Euan Cowie, Gregory Chaplain, Jakub Belin, Gavin Macauley, Christopher White, Tomáš Tyc

Proceedings Volume 9918, 99182V (2016) https://doi.org/10.1117/12.2237843

KEYWORDS: Interfaces, Lenses, Space telescopes, Telescopes, Optical spheres, Optical design, Metamaterials, Refraction, Analog electronics, Physics

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Proceedings Article | 2 October 2014 Paper

Three-dimensional self-similar fractal light in canonical resonators

Steven Miller, John Nelson, Johannes Courtial

Proceedings Volume 9194, 91940Z (2014) https://doi.org/10.1117/12.2061410

KEYWORDS: Fractal analysis, Resonators, Optical resonators, Video, Cameras, Mirrors, Computer simulations, Feedback loops, Diffraction, Clouds

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Proceedings Article | 25 September 2014 Paper

Complex imaging with ray-rotating windows

Aidan Strathearn, James Moncreiff, Stephen Oxburgh, Johannes Courtial

Proceedings Volume 9192, 91920A (2014) https://doi.org/10.1117/12.2061398

KEYWORDS: Spherical lenses, Geometrical optics, Refraction, Interfaces, Staring arrays, Imaging systems, Light sources, Cylindrical lenses, Light, Refractive index

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Proceedings Article | 12 September 2014 Paper

Transformation optics with windows

Stephen Oxburgh, Chris White, Georgios Antoniou, Ejovbokoghene Orife, Johannes Courtial

Proceedings Volume 9193, 91931E (2014) https://doi.org/10.1117/12.2061404

KEYWORDS: Telescopes, Electromagnetism, Space telescopes, Geometrical optics, Optical spheres, Interfaces, Lenses, Cameras, Confocal microscopy, Metamaterials

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Proceedings Article | 12 September 2014 Paper

What do forbidden light-ray fields look like?

Paul Stockman, Stephen Oxburgh, Tomáš Tyc, Johannes Courtial

Proceedings Volume 9193, 919304 (2014) https://doi.org/10.1117/12.2061409

KEYWORDS: Refraction, Geometrical optics, Optical design, Optical spheres, Cameras, Physics, Optical components, Glasses, Wavefronts, Interfaces

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Proceedings Article | 12 September 2014 Paper

Lorentz-transformation and Galileo-transformation windows

Stephen Oxburgh, Norman Gray, Martin Hendry, Johannes Courtial

Proceedings Volume 9193, 91931K (2014) https://doi.org/10.1117/12.2061415

KEYWORDS: Telescopes, Cameras, Distortion, Refraction, Device simulation, Computer simulations, Refractor telescopes, Visualization, Geometrical optics, Electroluminescent displays

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Proceedings Article | 12 September 2014 Paper

Windows into non-Euclidean spaces

Stephen Oxburgh, Chris White, Georgios Antoniou, Lena Mertens, Christopher Mullen, Jennifer Ramsay, Duncan McCall, Johannes Courtial

Proceedings Volume 9193, 919307 (2014) https://doi.org/10.1117/12.2061418

KEYWORDS: Space telescopes, Telescopes, Interfaces, Geometrical optics, Lenses, Refraction, Refractor telescopes, Microlens array, Head-mounted displays, Confocal microscopy

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Proceedings Article | 19 March 2013 Paper

The measurement and generation of orbital angular momentum using an optical geometric transformation

Martin P. Lavery, Andrew Fraine, David Roberston, Alexander Sergienko, Johannes Courtial, Alan Wilner, Miles Padgett

Proceedings Volume 8610, 86100J (2013) https://doi.org/10.1117/12.2004534

KEYWORDS: Optical components, Spatial light modulators, Spherical lenses, Geometrical optics, Optical communications, Charge-coupled devices, Telecommunications, Superposition, Beam shaping, Optical simulations

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Proceedings Article | 19 November 2012 Paper

The efficient sorting of light's orbital angular momentum for optical communications

Martin P. Lavery, David Roberston, Mehul Malik, Brandon Robenburg, Johannes Courtial, Robert Boyd, Miles Padgett

Proceedings Volume 8542, 85421R (2012) https://doi.org/10.1117/12.979934

KEYWORDS: Turbulence, Optical components, Spatial light modulators, Optical communications, Telecommunications, Holograms, Atmospheric propagation, Sensors, Physics, Astronomy

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Proceedings Article | 17 February 2011 Paper

Measuring the orbital angular momentum of light

Miles Padgett, Martin Lavery, Gregorius Berkhout, Johannes Courtial, Marco Beijersbergen

Proceedings Volume 7950, 79500E (2011) https://doi.org/10.1117/12.876119

KEYWORDS: Photons, Spatial light modulators, Polarization, Single photon, Beam splitters, Diffraction, Interferometers, Diffraction gratings, Sensors, Diffractive optical elements

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Proceedings Article | 14 March 2005 Paper

An interactive approach to optical tweezer control

Jonathan Leach, Gavin Sinclair, Pamela Jordan, Johannes Courtial, Laura Thomson, Graham Gibson, Kayode Karunwi, Jon Cooper, Zsolt Laczik, Miles Padgett

Proceedings Volume 5736, (2005) https://doi.org/10.1117/12.593407

KEYWORDS: Holograms, Optical tweezers, Spatial light modulators, Fourier transforms, Detection and tracking algorithms, Objectives, LabVIEW, Optical design, Particles, Holography

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Proceedings Article | 20 October 2004 Paper

Increasing the data density of free-space optical communications using orbital angular momentum

Graham Gibson, Johannes Courtial, Mikhail Vasnetsov, Steve Barnett, Sonja Franke-Arnold, Miles Padgett

Proceedings Volume 5550, (2004) https://doi.org/10.1117/12.557176

KEYWORDS: Diffraction, Holograms, Single photon, Free space optical communications, Computer programming, Holography, Spatial light modulators, Receivers, Data communications, Far-field diffraction

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Proceedings Article | 18 October 2004 Paper

Semi-automated 3D assembly of multiple objects using holographic optical tweezers

Gavin Sinclair, Pamela Jordan, John Laczik, Johannes Courtial, Miles Padgett

Proceedings Volume 5514, (2004) https://doi.org/10.1117/12.555996

KEYWORDS: Holograms, Optical tweezers, Spatial light modulators, Optical spheres, Detection and tracking algorithms, Silica, Holography, Particles, Algorithm development, Optical design

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Proceedings Article | 18 October 2004 Paper

Three-dimensional structures in optical tweezers

Miles Padgett, Jonathan Leach, Gavin Sinclair, Johannes Courtial, Eric Yao, Graham Gibson, Pamela Jordan, Jon Cooper, John Laczik

Proceedings Volume 5514, (2004) https://doi.org/10.1117/12.559396

KEYWORDS: Optical tweezers, Holograms, Optical design, Optical spheres, Spatial light modulators, Particles, Holography, Objectives, Video, Microscopes

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Showing 5 of 28 publications

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