Mr. Didier Goular Profile

Didier Goular

at ONERA

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 8 March 2023 Presentation + Paper

Deep-learning applied to coherent combining of fiber lasers: from numerical modelling to experimental demonstration

P. Bourdon, N. Hulard, F. Gustave, A. Liméry, D. Goular, C. Planchat, L. Lombard

Proceedings Volume 12400, 124000C (2023) https://doi.org/10.1117/12.2648843

KEYWORDS: Fiber lasers, Phase retrieval, Signal processing, Image processing, Neural networks, Image retrieval, Numerical modeling, Education and training, Cameras, Laser frequency

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Proceedings Article | 8 March 2023 Presentation + Paper

Numerical modelling of Cr:YAG Q-switched Yb:YAG micro-lasers and comparison with experimental results

P. Bourdon, C. Planchat, D. Goular, L. Lombard, F. Gustave, J. Le Gouet

Proceedings Volume 12399, 123990B (2023) https://doi.org/10.1117/12.2648847

KEYWORDS: Crystals, Oscillators, Absorption, Q switched lasers, Light absorption, Emission wavelengths, Repetition frequency, Q switching, Numerical modeling

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Proceedings Article | 7 November 2022 Paper

Coherent beam combining of lasers: toward wavelength versatility and long-range operation compliance

Pierre Bourdon, Rodwane Chtouki, Laurent Lombard, Anasthase Liméry, Julien Le Goüet, François Gustave, Hermance Jacqmin, Didier Goular, Christophe Planchat, Anne Durécu

Proceedings Volume 12347, 123470A (2022) https://doi.org/10.1117/12.2656457

KEYWORDS: Optical parametric oscillators, Fiber lasers, Crystals, Nonlinear crystals, Modulators, Fiber amplifiers, Feedback loops, Amplifiers, Turbulence

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Proceedings Article | 11 June 2021 Open Access

Recent advances on fiber-based laser and Lidar systems for future space-borne monitoring of greenhouse gas

Nicolas Cézard, Agnès Dolfi-Bouteyre, Anne Durécu, Benoit Faure, Didier Goular, François Gustave, Philippe-Jean Hébert, Julien Lahyani, Julien Le Gouët, François Lemaître, Laurent Lombard, William Patiño, Christophe Planchat, Matthieu Valla

Proceedings Volume 11852, 118521V (2021) https://doi.org/10.1117/12.2599327

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Proceedings Article | 5 March 2021 Presentation + Paper

Target-in-the-loop frequency-tagging coherent combining of 7 fiber lasers up to 1 km range

P. Bourdon, H. Jacqmin, B. Augère, A. Durécu, D. Goular, B. Rouzé, R. Domel, D. Fleury, C. Planchat, L. Lombard

Proceedings Volume 11665, 116651I (2021) https://doi.org/10.1117/12.2576879

KEYWORDS: Fiber lasers, Target detection, Turbulence, Laser development, Signal detection, Signal analyzers, Near field optics, Near field, Laser beam propagation, Fiber amplifiers

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Proceedings Article | 9 October 2018 Presentation + Paper

All-fibered coherent-differential absorption lidar at 1.645 µm for simultaneous methane and wind speed measurements

Simon Le Méhauté, Philippe Benoit, Nicolas Cézard, Didier Goular, Christophe Planchat, Matthieu Valla, Agnès Dolfi-Bouteyre, Xavier Watremez, Hervé Delbarre

Proceedings Volume 10791, 1079103 (2018) https://doi.org/10.1117/12.2325554

KEYWORDS: LIDAR, Methane, Absorption, Wind measurement, Optical amplifiers, Fiber amplifiers, Doppler effect, Optical fibers, Laser systems engineering, Heterodyning

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Proceedings Article | 17 November 2017 Open Access

High power pulsed fiber laser development for Co2 space based dial system

Guillaume Canat, Julien Le Gouët, Laurent Lombard, Alexandre Bresson, Didier Goular, Agnès Dolfi-Bouteyre, Sophie Duzellier, Denis Boivin, Johan Nilsson, Jayata Sahu, Sylvain Bordais

Proceedings Volume 10563, 105630T (2017) https://doi.org/10.1117/12.2304221

KEYWORDS: Fiber lasers, Optical amplifiers, Erbium, Diodes, Fiber amplifiers, Laser development, Astronomical imaging, Laser stabilization, Oscillators, Semiconductor lasers

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Proceedings Article | 4 October 2017 Paper

New lidar challenges for gas hazard management in industrial environments

Nicolas Cézard, Anasthase Liméry, Johan Bertrand, Simon Le Méhauté, Philippe Benoit, Didier Fleury, Didier Goular, Christophe Planchat, Matthieu Valla, Béatrice Augère, Agnès Dolfi-Bouteyre

Proceedings Volume 10429, 1042903 (2017) https://doi.org/10.1117/12.2278117

KEYWORDS: LIDAR, Raman spectroscopy, Hydrogen, Methane, Fiber lasers, Environmental management, Doppler effect, Applied research, Applied physics, Light emitting diodes

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Proceedings Article | 13 January 2017 Paper

Coherent combining of fiber lasers

Pierre Bourdon, Laurent Lombard, Anne Durécu, Julien Le Gouët, Didier Goular, Christophe Planchat

Proceedings Volume 10254, 1025402 (2017) https://doi.org/10.1117/12.2257483

KEYWORDS: Fiber lasers, Wavefronts, Laser sources, Diffraction gratings, Near field optics, Feedback loops, Near field, Diffractive optical elements, Adaptive optics, Control systems

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Proceedings Article | 20 October 2015 Paper

Long range wind lidars based on novel high spectral brilliance all-fibered sources

L. Lombard, A. Dolfi-Bouteyre, C. Besson, B. Augère, P. Bourdon, A. Durécu, D. Goular, J. Le Gouët, C. Planchat, W. Renard, M. Valla, G. Canat

Proceedings Volume 9645, 96450B (2015) https://doi.org/10.1117/12.2197350

KEYWORDS: LIDAR, Turbulence, Wind measurement, Fiber lasers, Amplifiers, Safety, Fiber amplifiers, Wind energy, Oscillators, Algorithm development

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Proceedings Article | 4 March 2015 Paper

Coherent combining of fiber-laser-pumped frequency converters using all fiber electro-optic modulator for active phase control

P. Bourdon, A. Durécu, G. Canat, J. Le Gouët, D. Goular, L. Lombard

Proceedings Volume 9344, 93441S (2015) https://doi.org/10.1117/12.2077470

KEYWORDS: Crystals, Second-harmonic generation, Phase measurement, Laser crystals, Frequency converters, Fiber amplifiers, Nonlinear crystals, Mode locking, Electrooptic modulators, Phase shift keying

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Proceedings Article | 13 October 2014 Paper

New fiber laser for lidar developments in disaster management

C. Besson, B. Augere, G. Canat, N. Cezard, A. Dolfi-Bouteyre, D. Fleury, D. Goular, L. Lombard, C. Planchat, W. Renard, M. Valla

Proceedings Volume 9250, 92500H (2014) https://doi.org/10.1117/12.2073241

KEYWORDS: LIDAR, Buildings, Fiber lasers, Sensors, Signal processing, Laser development, Remote sensing, Fiber amplifiers, Absorption spectroscopy, Doppler effect

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Proceedings Article | 7 October 2011 Paper

Infrared laser irradiation breadboard: dazzling sensitivity analysis of a HgCdTe focal plane array

A. Durécu, P. Bourdon, D. Fleury, D. Goular, S. Rommeluère, O. Vasseur

Proceedings Volume 8187, 81870K (2011) https://doi.org/10.1117/12.897965

KEYWORDS: Optical parametric oscillators, Sensors, Carbon dioxide lasers, Mid-IR, Pulsed laser operation, Mercury cadmium telluride, Nd:YAG lasers, Long wavelength infrared, Bragg cells, Optical testing

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Proceedings Article | 11 February 2011 Paper

Coherent combining of low-peak-power pulsed fiber amplifiers with 80-ns pulse duration

Pierre Bourdon, Kevin Cadoret, Laurent Lombard, Adrian Azarian, Guillaume Canat, Baya Bennaï, Didier Goular, Véronique Jolivet, Yves Jaouën, Olivier Vasseur

Proceedings Volume 7914, 79140W (2011) https://doi.org/10.1117/12.875165

KEYWORDS: Fiber amplifiers, Phase measurement, Phase shift keying, Mode locking, Optical amplifiers, Continuous wave operation, Modulation, Oscillators, Photodetectors, Bragg cells

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Proceedings Article | 2 May 2009 Paper

Off-axis laser warning sensor

D. Goular, J. Cariou, D. Fleury, C. Planchat, R. Gouyon, C. Besson, A. Bêche, V. Megaides

Proceedings Volume 7323, 732314 (2009) https://doi.org/10.1117/12.820155

KEYWORDS: Sensors, Line width roughness, Atmospheric modeling, Laser scattering, Electronics, Atmospheric particles, Laser sources, Pulsed laser operation, Laser beam propagation, Atmospheric propagation

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Proceedings Article | 19 February 2009 Paper

Theoretical analysis and quantitative measurements of fiber amplifier coherent combining on a remote surface through turbulence

Pierre Bourdon, Veronique Jolivet, Baya Bennai, Laurent Lombard, Didier Goular, Guillaume Canat, Olivier Vasseur

Proceedings Volume 7195, 719527 (2009) https://doi.org/10.1117/12.808246

KEYWORDS: Turbulence, Photodetectors, Scattering, Laser scattering, Beam splitters, Phase measurement, Atmospheric propagation, Fiber amplifiers, Feedback control, Fiber lasers

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Proceedings Article | 26 June 1997 Paper

Range imaging laser sensor: TILT

Jean-Pierre Cariou, Didier Goular

Proceedings Volume 3087, (1997) https://doi.org/10.1117/12.277223

KEYWORDS: Modulation, Sensors, Video, Signal processing, Signal to noise ratio, Reflectivity, Image processing, Receivers, Head, Scanners

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Showing 5 of 17 publications

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