Dr. Antoine Godard Profile

Dr. Antoine Godard

Science Deputy Director at ONERA

SPIE Involvement:

Author

Publications (26)

Proceedings Article | 13 March 2024 Presentation

Presentation

Mirrorless backward-wave optical parametric oscillator: a unique approach for laser frequency down-shifting with preserved spectral features

A. Zheng, K. Mølster, X. Délen, P. Mutter, J.-B. Dherbecourt, J.-M. Melkonian, A. Zukauskas, F. Laurell, P. Georges, M. Raybaut, V. Pasiskevicius, A. Godard

Proceedings Volume PC12869, PC1286905 (2024) https://doi.org/10.1117/12.3001671

KEYWORDS: Optical parametric oscillators, Laser frequency, Laser radiation, Wave propagation, Positive feedback, Physical phenomena, Numerical modeling, Mid-IR, Laser applications, LIDAR

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Proceedings Article | 12 July 2023 Open Access

Open Access

Paper

Pump tunable mirrorless OPO: an innovative concept for future space IPDA emitters

Kjell Martin Mølster, Marie Guionie, Patrick Mutter, Jean-Baptiste Dherbecourt, Jean-Michel Melkonian, Xavier Delen, Andrius Zukauskas, Carlota Canalias, Fredrik Laurell, Patrick Georges, Myriam Raybaut, Antoine Godard, Valdas Pasiskevicius

Proceedings Volume 12777, 127772V (2023) https://doi.org/10.1117/12.2690306

KEYWORDS: Optical parametric oscillators, Crystals, Nonlinear crystals, Laser frequency, Remote sensing, Ytterbium, Wavelength tuning, Mid-IR, LIDAR, Free space optics

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Proceedings Article | 28 October 2022 Presentation

Presentation

Versatile laser transmitter for an airborne CO2 and water vapor DIAL based on a parametric laser setup

Michael Strotkamp, Jonas Hamperl, Jan Fabian Geus, Kjell Mølster, Andrius Zukauskas, Jean-Baptiste Dherbecourt, Valdas Pasiskevicius, Lukas Nagy, Oliver Pitz, David Fehrenbacher, Hanjo Schaefer, Dirk Heinecke, Stephan Rapp, Lennart Domdei, Nobert Graf, Paul Denk, Marine Dalin, Vincent Lebat, Rosa Santagata, Jean-Michel Melkonian, Antoine Godard, Myriam Raybaut, Cyrille Flamant

Proceedings Volume PC12265, PC1226507 (2022) https://doi.org/10.1117/12.2636197

KEYWORDS: Carbon dioxide lasers, Airborne laser technology, Transmitters, Carbon dioxide, Optical parametric oscillators, Optical amplifiers, LIDAR, Pulsed laser operation, Oscillators, Nonlinear optics

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Proceedings Article | 4 March 2022 Presentation + Paper

Presentation + Paper

Optical parametric sources from the SWIR to the LWIR for standoff gas sensing

Jean-Michel Melkonian, Jonas Hamperl, Quentin Berthomé, Jean-Baptiste Dherbecourt, Rosa Santagata, Myriam Raybaut, Antoine Godard

Proceedings Volume 11985, 119850F (2022) https://doi.org/10.1117/12.2613968

KEYWORDS: Crystals, LIDAR, Long wavelength infrared, Absorption, Optical parametric oscillators, Nonlinear crystals, Infrared radiation, Laser crystals, Short wave infrared radiation, Absorption spectroscopy

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Proceedings Article | 11 June 2021 Open Access

Open Access

Presentation + Paper

Design and pre-development of an airborne multi-species differential absorption Lidar system for water vapor and HDO isotope, carbon dioxide, and methane observation

J. B. Dherbecourt, M. Raybaut, J. M. Melkonian, J. Hamperl, R. Santagata, M. Dalin, V. Lebat, A. Godard, C. Flamant, J. Totems, P. Chazette, V. Pasiskevicius, D. Heinecke, H. Schäfer, M. Strotkamp, J. F. Geus, S. Rapp, H. Sodemann, H. C. Steen-Larsen

Proceedings Volume 11852, 118521U (2021) https://doi.org/10.1117/12.2599326

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Proceedings Article | 5 March 2021 Presentation + Paper

Presentation + Paper

Coherent combining of optical parametric oscillators: challenges and experimental results

P. Bourdon, R. Chtouki, A. Durécu, L. Lombard, C. Planchat, A. Godard

Proceedings Volume 11670, 116700H (2021) https://doi.org/10.1117/12.2576878

KEYWORDS: Optical parametric oscillators, Mid-IR, Continuous wave operation, Pulsed laser operation, Feedback loops, Feedback control

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Proceedings Article | 2 March 2020 Paper

Paper

An experimental demonstration of coherent combining applied to optical parametric oscillators

R. Chtouki, P. Bourdon, A. Durécu, L. Lombard, C. Planchat, M. Raybaut, A. Godard

Proceedings Volume 11264, 112641B (2020) https://doi.org/10.1117/12.2546022

KEYWORDS: Optical parametric oscillators, Nonlinear crystals, Crystals, Frequency converters, Nonlinear dynamics, Modulators, Fiber lasers, Feedback loops

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Proceedings Article | 4 March 2019 Presentation + Paper

Presentation + Paper

Coherent combining of difference frequency generators: experimental demonstration and application to optical parametric oscillators

P. Bourdon, R. Chtouki, A. Durécu, L. Lombard, C. Planchat, M. Raybaut, A. Godard

Proceedings Volume 10902, 109020L (2019) https://doi.org/10.1117/12.2509933

KEYWORDS: Optical parametric oscillators, Phase measurement, Nonlinear crystals, Signal processing, Phase shifts, Nonlinear dynamics, Mid-IR, Laser crystals, Amplifiers

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Proceedings Article | 5 January 2018 Open Access

Open Access

Paper

High energy optical parametric source for multi-wavelength CO2 dial

Jessica Barrientos-Barria, Jean-Baptiste Dherbecourt, Myriam Raybaut, Antoine Godard, Jean-Michel Melkonian, Michel Lefebvre

Proceedings Volume 10564, 105642H (2018) https://doi.org/10.1117/12.2309277

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Proceedings Article | 17 November 2017 Open Access

Open Access

Paper

Progress on high energy optical parametric transmitter for multiple greenhouse gases dial

J. Barrientos Barria, D. Mammez, J.-B. Dherbecourt, M. Raybaut, J.-M. Melkonian, J. Pelon, A. Godard, M. Lefebvre

Proceedings Volume 10563, 105633S (2017) https://doi.org/10.1117/12.2304157

KEYWORDS: Ferroelectric materials, Carbon monoxide, Absorption, Gases, Optical parametric oscillators, Optical amplifiers, Crystals, Astronomical imaging, Transmitters, Mid-IR

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Proceedings Article | 25 September 2017 Open Access

Open Access

Paper

Co2 remote detection using a 2-?m dial instrument

Erwan Cadiou, Dominique Mammez, Jean-Baptiste Dherbecourt, Guillaume Gorju, Myriam Raybaut, Jean-Michel Melkonian, Antoine Godard, Jacques Pelon, Michel Lefebvre

Proceedings Volume 10562, 105621V (2017) https://doi.org/10.1117/12.2296148

KEYWORDS: Carbon monoxide, Absorption, Astronomical imaging, Ferroelectric materials, LIDAR, Crystals, Clouds, Gases, Optical parametric oscillators, Mirrors

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Proceedings Article | 3 May 2017 Presentation + Paper

Presentation + Paper

Direct detection range resolved carbon dioxide differential absorption lidar measurements in the 2 µm range

Erwan Cadiou, Jean-Baptiste Dherbecourt, Guillaume Gorju, Jean-Michel Melkonian, Antoine Godard, Jacques Pelon, Myriam Raybaut

Proceedings Volume 10215, 102150L (2017) https://doi.org/10.1117/12.2262497

KEYWORDS: Carbon monoxide, Transmitters, Sensors, Ferroelectric materials, Indium gallium arsenide, Receivers, Photodiodes, LIDAR, Gases, Carbon dioxide, Optical parametric oscillators, Climate change, Climatology, Methane, Laser sources

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Proceedings Article | 20 February 2017 Presentation + Paper

Presentation + Paper

Dispersion tuning of a narrow-linewidth picosecond OPO based on chirped quasi-phase matching with a volume Bragg grating

Delphine Descloux, Guillaume Walter, Jean-Baptiste Dherbecourt, Guillaume Gorju, Jean-Michel Melkonian, Myriam Raybaut, Cyril Drag, Antoine Godard

Proceedings Volume 10088, 1008814 (2017) https://doi.org/10.1117/12.2252168

KEYWORDS: Optical parametric oscillators, Nonlinear crystals, Picosecond phenomena, Mode locking, Oscillators, Optical amplifiers, Ultrafast phenomena, Nonlinear optics, Laser optics, Crystals, Optical filters, Mirrors, Dispersion, Chemical elements, Diffraction gratings

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Proceedings Article | 20 February 2017 Presentation + Paper

Presentation + Paper

Single-frequency tunable long-wave infrared OP-GaAs OPO for gas sensing

J. Armougom, Q. Clément, J.-M. Melkonian, J.-B. Dherbecourt, M. Raybaut, A. Grisard, E. Lallier, B. Gérard, B. Faure, G. Souhaité, A. Godard

Proceedings Volume 10088, 100880Z (2017) https://doi.org/10.1117/12.2255620

KEYWORDS: Optical parametric oscillators, Long wavelength infrared, Infrared radiation, Absorption, LIDAR, Standoff detection, Infrared sensors, Oscillators, Optical amplifiers, Infrared materials, Crystals, Mirrors, Sensors, Gases, Monochromators

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Proceedings Article | 27 January 2017 Paper

Paper

Optical parametric sources for gas sensing applications

Antoine Godard, Guillaume Aoust, Julie Armougom, Erwan Cadiou, Delphine Descloux, Guillaume Walter, Jean-Baptiste Dherbecourt, Guillaume Gorju, Jean-Michel Melkonian, Myriam Raybaut, Michel Lefebvre

Proceedings Volume 10111, 101112X (2017) https://doi.org/10.1117/12.2242892

KEYWORDS: Optical parametric oscillators, Photoacoustic spectroscopy, LIDAR, Absorption, Crystals, Mirrors, Tin, Picosecond phenomena, Optical filters, Methane

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Proceedings Article | 20 October 2015 Paper

Paper

Multispecies transmitter for DIAL sensing of atmospheric water vapour, methane and carbon dioxide in the 2 µm region

Dominique Mammez, Erwan Cadiou, Jean-Baptiste Dherbecourt, Myriam Raybaut, Jean-Michel Melkonian, Antoine Godard, Guillaume Gorju, Jacques Pelon, Michel Lefebvre

Proceedings Volume 9645, 964507 (2015) https://doi.org/10.1117/12.2194754

KEYWORDS: Carbon dioxide, Absorption, Optical parametric oscillators, Crystals, Semiconductor lasers, Gases, Atmospheric sensing, Oscillators, Optical amplifiers, Carbon dioxide lasers

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Proceedings Article | 13 October 2015 Paper

Paper

Pulsed, tunable, single-frequency OP-GaAs OPO for the standoff detection of hazardous chemicals in the longwave infrared

Q. Clément, J.-M. Melkonian, J.-B. Dherbecourt, M. Raybaut, A. Grisard, E. Lallier, B. Gérard, B. Faure, G. Souhaité, A. Godard

Proceedings Volume 9649, 964904 (2015) https://doi.org/10.1117/12.2194771

KEYWORDS: Optical parametric oscillators, Crystals, Absorption, Long wavelength infrared, Sensors, Mirrors, Standoff detection, Infrared radiation, Optical filters, Monochromators

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Proceedings Article | 4 February 2013 Paper

Paper

The Micro-OPO: an alternative for ultra-compact largely tuneable mid-infrared sources

M. Raybaut, J. Dherbecourt, J. Melkonian, A. Godard, M. Lefebvre, E. Rosencher

Proceedings Volume 8631, 86311S (2013) https://doi.org/10.1117/12.2008952

KEYWORDS: Optical parametric oscillators, Birefringence, Nonlinear crystals, Mirrors, Mid-IR, Spectroscopy, Crystals, Ferroelectric materials, Waveguides, Phase matching

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Proceedings Article | 30 October 2012 Paper

Paper

Time-resolved spectral characterization of a pulsed external-cavity quantum cascade laser

Jean-Michel Melkonian, Myriam Raybaut, Antoine Godard, Johan Petit, Michel Lefebvre

Proceedings Volume 8546, 854607 (2012) https://doi.org/10.1117/12.971429

KEYWORDS: Quantum cascade lasers, Mid-IR, Silver thiogallate, Spectroscopy, Thermal effects, Upconversion, Spectrum analysis, Spectrometers, Nonlinear crystals, Transient nonlinear optics

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Proceedings Article | 21 January 2012 Paper

Paper

Two-photon conductivity in semiconductors: a new tool for the study of the quantum properties of light

E. Rosencher, F. Boitier, A. Godard, C. Fabre

Proceedings Volume 8268, 826823 (2012) https://doi.org/10.1117/12.913974

KEYWORDS: Semiconductors, Absorption, Gallium arsenide, Femtosecond phenomena, Quantum optics, Photon counting, Interferometry, Quantum cryptography, Black bodies, Halogens

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Proceedings Article | 14 October 2010 Paper

Paper

SCALPEL: a long range free-space optical communication system with adaptive optics in the MIR bandwidth

A. Montmerle Bonnefois, R. Biérent, M. Raybaut, A. Godard, S. Derelle, A. Durécu, V. Michau, M. Lefebvre, N. Védrenne, M.-T. Velluet

Proceedings Volume 7828, 78280L (2010) https://doi.org/10.1117/12.865022

KEYWORDS: Telecommunications, Adaptive optics, Atmospheric optics, Free space optics, Charged-particle lithography, Turbulence, Free space optical communications, Atmospheric modeling, Optical calibration, Sensors

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Proceedings Article | 12 October 2010 Paper

Paper

Mid-IR nonlinear materials: chemical synthesis, crystal growth, and difference frequency generation in ZnGeP2 and AgGaS2

Johan Petit, Antoine Godard, Myriam Raybaut, Jean-Michel Melkonian, Michel Lefebvre

Proceedings Volume 7838, 783811 (2010) https://doi.org/10.1117/12.864566

KEYWORDS: Crystals, Silver, Silver thiogallate, Nonlinear crystals, Optical parametric oscillators, Mid-IR, Difference frequency generation, Optical testing, Laser crystals, Gallium

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Proceedings Article | 12 October 2010 Paper

Paper

Development of a compact frequency conversion module for airborne countermeasures

Antoine Godard, Myriam Raybaut, Thomas Schmid, Michel Lefebvre, Anne-Marie Michel, Christophe Oudart, Sergio Teixeira, Michel Péalat

Proceedings Volume 7836, 78360G (2010) https://doi.org/10.1117/12.864690

KEYWORDS: Optical parametric oscillators, Thermal effects, Absorption, Nonlinear crystals, Frequency conversion, Crystals, Mid-IR, Laser countermeasures, Optomechanical design, Bistability

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Proceedings Article | 9 October 2009 Paper

Paper

A novel 2 µm, frequency conversion based, laser transmitter for CO2 DIAL

M. Raybaut, A. Godard, A. Mohamed, M. Lefebvre, F. Marnas, P. Flamant, A. Bohman, P. Geiser, P. Kaspersen

Proceedings Volume 7479, 74790G (2009) https://doi.org/10.1117/12.830285

KEYWORDS: Optical parametric oscillators, Transmitters, Carbon dioxide, Carbon dioxide lasers, Crystals, Optical amplifiers, Nonlinear crystals, Spatial light modulators, Mirrors, LIDAR

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Proceedings Article | 25 September 2009 Paper

Paper

Progress in ZnGeP2 and AgGaS2 crystal growth: first results on difference-frequency generation and optical parametric oscillation

Johan Petit, Said Said Hassani, Pierre Galtier, Antoine Godard, Myriam Raybaut, Michel Lefebvre

Proceedings Volume 7487, 74870I (2009) https://doi.org/10.1117/12.830569

KEYWORDS: Crystals, Optical parametric oscillators, Silver, Silver thiogallate, Annealing, Transparency, Mid-IR, Sulfur, Singular optics, Absorption

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Proceedings Article | 10 October 2007 Paper

Paper

Development of a compact laser source for airborne countermeasures

Antoine Godard, Michel Lefebvre, Said A. Said Hassani, Pierre Galtier

Proceedings Volume 6738, 67380C (2007) https://doi.org/10.1117/12.737328

KEYWORDS: Optical parametric oscillators, Laser sources, Crystals, Ferroelectric materials, Mirrors, Laser countermeasures, Diffraction, Nonlinear crystals, Absorption, Directed infrared countermeasures

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Showing 5 of 26 publications

Conference Committee Involvement (1)

CLEO: Science & Innovations - S&I 4: Nonlinear Optical Technologies

9 June 2013 |

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