Dr. Morgan Gray Profile

Dr. Morgan Gray

at Lab d'Astrophysique de Marseille

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 11 September 2024 Poster + Paper

Enhancing space surveillance through the Unistellar collaborative observation program

P. Janin-Potiron, R. Cañameras, B. Neichel, M. Gray, F. Marchis, R. Lambert, F. Quere, G. Blaclard, A. Malvache, O. Beltramo-Martin, J. Cantegreil, P. Boutte, Y. Zancanaro, A. Gervail, C. Correia

Proceedings Volume 13094, 1309455 (2024) https://doi.org/10.1117/12.3018639

KEYWORDS: Satellites, Telescopes, Image segmentation, Satellite imaging, Simulations, Neural networks

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Proceedings Article | 27 August 2024 Poster + Paper

Comparison of predictive control laws in adaptive optics for free-space optical communications

Jonathan Dray, Baptiste Sinquin, Morgan Gray, Benoit Neichel, Cédric Taïssir Héritier, Carlos Correia, Raissa Camelo, Jalo Nousiainen, Thierry Fusco, Cyril Petit, Armin Schimpf, Julien Charton

Proceedings Volume 13097, 130977W (2024) https://doi.org/10.1117/12.3019728

KEYWORDS: Adaptive optics, Wavefront sensors, Machine learning, Simulations, Free space optics, Matrices, Free space optical communications, Adaptive control, Signal filtering, Performance modeling

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Proceedings Article | 27 August 2024 Presentation + Paper

Reinforcement learning-based control law on PAPYRUS: simulations using different atmospheric conditions

Raissa Camelo, Jalo Nousiainen, Cedric Taïssir Heritier, Morgan Gray, Benoit Neichel

Proceedings Volume 13097, 1309710 (2024) https://doi.org/10.1117/12.3018887

KEYWORDS: Simulations, Adaptive optics, Machine learning, Wavefront sensors, Atmospheric optics, Atmospheric turbulence, Neural networks

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Proceedings Article | 27 August 2024 Poster + Paper

Advancements in estimating differential pistons for the Extremely Large Telescope using deep learning

P. Janin-Potiron, M. Gray, B. Neichel, M. Dumont, J.-F. Sauvage, R. Fetick, T. Fusco

Proceedings Volume 13097, 130974Y (2024) https://doi.org/10.1117/12.3018666

KEYWORDS: Point spread functions, Deep learning, Wavefront sensors, Atmospheric turbulence, Adaptive optics, Machine learning

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Proceedings Article | 24 August 2024 Poster

Phasing segmented space telescope via deep learning methods

Maxime Dumont, Jean-François Sauvage, Carlos Correia, Noah Schwartz, Morgan Gray, Jaime Cardoso

Proceedings Volume 13092, 130925N (2024) https://doi.org/10.1117/12.3018939

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Proceedings Article | 30 August 2022 Poster + Paper

DEEPLOOP: DEEP Learning for an Optimized adaptive Optics Psf estimation

Morgan Gray, Maxime Dumont, Olivier Beltramo-Martin, Jean-Charles Lambert, Benoit Neichel, Thierry Fusco

Proceedings Volume 12185, 1218538 (2022) https://doi.org/10.1117/12.2629874

KEYWORDS: Point spread functions, Adaptive optics, Telescopes, Data modeling, Atmospheric modeling, Machine learning

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Proceedings Article | 27 August 2022 Poster + Paper

Deep learning for space-borne focal-plane wavefront sensing

Maxime Dumont, Carlos Correia, Jean-François Sauvage, Noah Schwartz, Morgan Gray, Olivier Beltramo-Martin, Jaime Cardoso

Proceedings Volume 12180, 1218034 (2022) https://doi.org/10.1117/12.2628868

KEYWORDS: Point spread functions, Neural networks, Wavefront sensors, Wavefronts, Image segmentation, Error analysis, Telescopes, Spatial resolution, Mirrors, Image acquisition

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Proceedings Article | 4 August 2014 Paper

COMPASS: an efficient, scalable and versatile numerical platform for the development of ELT AO systems

D. Gratadour, M. Puech, C. Vérinaud, P. Kestener, M. Gray, C. Petit, J. Brulé, Y. Clénet, F. Ferreira, E. Gendron, M. Lainé, A. Sevin, G. Rousset, F. Hammer, I. Jégouzo, Michele Paillous, S. Taburet, Y. Yang, J.-L. Beuzit, A. Carlotti, M. Westphal, B. Epinat, M. Ferrari, T. Gautrais, J. Lambert, B. Neichel, S. Rodionov

Proceedings Volume 9148, 91486O (2014) https://doi.org/10.1117/12.2056358

KEYWORDS: Adaptive optics, Computer simulations, Device simulation, Data acquisition, Instrument modeling, Systems modeling, Interfaces, Prototyping, Data modeling, Sensors

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Proceedings Article | 1 November 2012 Paper

New wavefront sensing concepts for adaptive optics instrumentation

K. El Hadi, M. Gray, T. Fusco, B. Le Roux

Proceedings Volume 8535, 85350J (2012) https://doi.org/10.1117/12.974531

KEYWORDS: Adaptive optics, Sensors, Spatial light modulators, Microelectromechanical systems, Actuators, Mirrors, Wavefront sensors, Turbulence, Filtering (signal processing), Deformable mirrors

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Proceedings Article | 13 September 2012 Paper

New modelling of freeform surfaces for optical design of astronomical instruments

S. Pascal, M. Gray, S. Vives, D. Le Mignant, M. Ferrari, J.-G. Cuby, K. Dohlen

Proceedings Volume 8450, 845053 (2012) https://doi.org/10.1117/12.925299

KEYWORDS: Zemax, Modeling, Optical design, Zernike polynomials, Mirrors, Astronomy, Telescopes, Freeform optics, Optical instrument design, Image quality

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Proceedings Article | 13 September 2012 Paper

Ensemble Transform Kalman Filter, a nonstationary control law for complex AO systems on ELTs: theoretical aspects and first simulations results

M. Gray, B. Le Roux

Proceedings Volume 8447, 84471T (2012) https://doi.org/10.1117/12.924894

KEYWORDS: Adaptive optics, Turbulence, Control systems, Matrices, Telescopes, Filtering (signal processing), Systems modeling, Complex systems, Actuators, Autoregressive models

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Proceedings Article | 30 September 2011 Paper

A new basis of polynomials for off-axis highly aspheric optical surfaces

M. Gray, M. Ferrari, S. Vives

Proceedings Volume 8172, 817217 (2011) https://doi.org/10.1117/12.896629

KEYWORDS: Aspheric lenses, Optical design, Zernike polynomials, Wavefronts, Mathematical modeling, Matrices, Geometrical optics, Optimization (mathematics), Adaptive optics, Actuators

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Proceedings Article | 21 September 2011 Paper

Modeling highly aspherical optical surfaces using a new polynomial formalism into Zemax

S. Vives, S. Pascal, A. Secroun, M. Gray, D. Le Mignant, J.-G. Cuby, M. Ferrari

Proceedings Volume 8167, 81670B (2011) https://doi.org/10.1117/12.896906

KEYWORDS: Zemax, Zernike polynomials, Optical design, Telescopes, Image quality, Mathematical modeling, Optical components, Image quality standards, Optimization (mathematics), Ray tracing

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Showing 5 of 13 publications

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