Zobrazeno 1 - 10 of 191 pro vyhledávání: '"Godard Antoine"'
1
Akademický článek
NAOMI GAZL: A Multispecies DIAL Tested on the TADI Gas Leak Simulation Facility
Autor: Dherbecourt Jean-Baptiste, Melkonian Jean-Michel, Godard Antoine, Lebat Vincent, Tanguy Nicolas, Blanchard Cedric, Doz Stéphanie, Foucher Pierre-Yves, Huet Thierry, Watremez Xavier, Dubucq Dominique, Raybaut Myriam
Publikováno v: EPJ Web of Conferences, Vol 237, p 03016 (2020)
We report on a direct detection differential absorption lidar (DIAL), designed for remote detection of CH4 and CO2. The system is based on a single-frequency optical parametric oscillator/amplifier system, tunable in the 1.57-1.65 µm range. The DIAL
Externí odkaz: https://doaj.org/article/1aea6ca7de0a4f239fd08432f298c433
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2
Akademický článek
First Steps of Maturation Towards Space of Nested Cavity Optical Parametric Oscillator and Amplifiers for DIAL Based on Periodically Poled Nonlinear Materials
Autor: Dherbecourt Jean-Baptiste, Melkonian Jean-Michel, Lebat Vincent, Tanguy Nicolas, Duzellier Sophie, Blanchard Cedric, Coetzee Rian S., Canalias Carlota, Pasiskevicius Valdas, Godard Antoine, Raybaut Myriam
Publikováno v: EPJ Web of Conferences, Vol 237, p 01009 (2020)
We report on the first steps of maturation towards space of a nested cavity optical parametric oscillator and amplifiers, based on periodically poled nonlinear materials, emitting in the 2µm range for multi species differential absorption lidar (DIA
Externí odkaz: https://doaj.org/article/675617de4c144ad79f9a23400948619e
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3
Akademický článek
Atmospheric CO2 measurements with a 2-μm DIAL instrument
Autor: Cadiou Erwan, Dherbecourt Jean-Baptiste, Gorju Guillaume, Melkonian Jean-Michel, Godard Antoine, Pelon Jacques, Raybaut Myriam
Publikováno v: EPJ Web of Conferences, Vol 176, p 05045 (2018)
We report on ground-based atmospheric concentration measurements of carbon dioxide, using a pulsed direct detection differential absorption lidar operating at 2051 nm. The transmitter is based on a tunable parametric source emitting 10-mJ energy, 10-
Externí odkaz: https://doaj.org/article/776a805516f34e5a8770098a26520d07
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5
Akademický článek
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6
Akademický článek
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8
Optical parametric sources from the SWIR to the LWIR for standoff gas sensing
Autor: Melkonian, Jean-Michel, Hamperl, Jonas, Berthomé, Quentin, Dherbecourt, Jean-Baptiste, Santagata, Rosa, Raybaut, Myriam, Godard, Antoine
Publikováno v: SPIE LASE 2022
SPIE LASE 2022, Jan 2022, San Francisco, United States. pp.119850F, ⟨10.1117/12.2613968⟩
International audience; We present our activities on the development of narrow linewidth tunable optical parametric sources and their integration in lidar systems. In particular, we present different implementations of the nested cavity optical param
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe1a7104d64ab4e68f84f65afeb36e96
https://doi.org/10.1117/12.2613968
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9
Backward optical parametric oscillator threshold and linewidth studies
Autor: Godard, Antoine, Guionie, Marie, Dherbecourt, Jean-Baptiste, Melkonian, Jean-Michel, Raybaut, Myriam
Publikováno v: Journal of the Optical Society of America B
Journal of the Optical Society of America B, 2022, 39 (2), pp.408-420. ⟨10.1364/JOSAB.445246⟩
International audience; We carry out a theoretical investigation of the backward interaction optical parametric oscillator (OPO), in which one of the generated waves is counterpropagating with respect to the pump. We derive simple, self-consistent an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3379::3f1061bd65f5a91fbf71c62d9bbc3e18
https://hal.science/hal-03521251
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10
Pump Tunable Mirrorless OPO: an Innovative Concept for Future Space IPDA Emitters
Autor: Mølster, Kjell, Guionie, Marie, Mutter, Patrick, Dherbecourt, Jean-Baptiste, Melkonian, Jean-Michel, Delen, Xavier, Zukauskas, Andrius, Canalias, Carlota, Laurell, Fredrik, Georges, Patrick, Raybaut, Myriam, Godard, Antoine, Pasiskevicius, Valdas
Publikováno v: ICSO (International Conference on Space Optics ) 2022
ICSO (International Conference on Space Optics ) 2022, Oct 2022, Dubrovnik, Croatia
International audience; A highly efficient mirrorless OPO tunable in the mid-infrared around 2 µm has been developed and characterized in an original pumping configuration comprising a tunable high power hybrid Ytterbium laser MOPA (Master Oscillato
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::def8135d2031693ad9b56ef171d65ad4
https://hal.archives-ouvertes.fr/hal-03853052
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