Compact tunable laser source emitting in the LWIR for standoff gas sensing

Autor: Favier, Marine, Faure, Basile, Souhaité, Grégoire, Melkonian, Jean-Michel, Godard, Antoine, Raybaut, Myriam, Grisard, Arnaud, Lallier, Eric

Publikováno v: OPTRO 2020
OPTRO 2020, Jan 2020, PARIS, France

International audience; Tunable coherent sources emitting in the Long Wave Infra Red (LWIR), between 7 and 14 µm can be used in defense application such as standoff detection of hazardous gas and chemical warfare agents. In a previous ANR/DGA projec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f42f947e51312422f948155d81b07681
https://hal.archives-ouvertes.fr/hal-02489054

The NAOMI GAZL multispecies differential absorption lidar: realization and testing on the TADI gas leak simulation facility

Autor: Jean-Baptiste Dherbecourt, Jean-Michel Melkonian, Antoine Godard, Vincent Lebat, Nicolas Tanguy, Cédric Blanchard, Xavier Watremez, Dominique Dubucq, Stéphanie Doz, Pierre-Yves Foucher, Myriam Raybaut

Publikováno v: CLEO 2019
CLEO 2019, May 2019, SAN JOSE, United States. ⟨10.1364/CLEO_AT.2019.ATh3K.1⟩

International audience; We report on a differential absorption lidar, designed for remote detection of CH 4 and CO 2 , based on a single-frequency 1.57-1.65 µm parametric oscillator/amplifier system. The lidar is tested on a controlled gas release f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5839c3418388ef3f9dfcf1eb09875ca5
https://hal.archives-ouvertes.fr/hal-02323089

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

Autor: Anne Durécu, Laurent Lombard, Myriam Raybaut, Rodwane Chtouki, Pierre Bourdon, Christophe Planchat, Antoine Godard

Publikováno v: SPIE proceedings
SPIE Photonics West 2019
SPIE Photonics West 2019, Feb 2019, SAN FRANCISCO, United States. ⟨10.1117/12.2509933⟩

International audience; Coherent beam combining (CBC) by active phase control could be useful for power scaling fiber-laser-pumped optical frequency converters like optical parametric oscillators (OPOs). We developed an indirect phase control approac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77c128e03bf38797f685a8942fdc0879
https://doi.org/10.1117/12.2509933

Picosecond synchronously pumped optical parametric oscillator based on chirped quasi-phase matching

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

Publikováno v: Journal of the Optical Society of America B
Journal of the Optical Society of America B, Optical Society of America, 2020, 37 (2), pp.552-563. ⟨10.1364/JOSAB.380605⟩

International audience; We investigate and model a picosecond synchronously pumped optical parametric oscillator (OPO) based on an aperiodically poled lithium niobate (APPLN) nonlinear crystal with a chirped quasi-phase-matching (QPM) grating. We obs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4cc7488a8e6c80bf616d7d8da00f2a22
https://doi.org/10.1364/josab.380605

Standoff Detection of Hazardous Chemicals using a Longwave Infrared Parametric Source

Autor: J. Kadlcˇák, Julie Armougom, Jean-Baptiste Dherbecourt, Riaan Stuart Coetzee, Myriam Raybaut, Antoine Godard, J.-M. Melkonian, Nicolas Cézard, Valdas Pasiskevicius

Publikováno v: Imaging and Applied Optics Congress
Imaging and Applied Optics Congress, Jun 2018, ORLANDO, United States. ⟨10.1364/LACSEA.2018.LTu5C.6⟩

International audience; We report on a new longwave infrared optical parametric source, and its implementation for long range or medium range standoff detection of gaseous chemical warfare agents.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aff8c41f6af84ec78483119b7a066ea0
https://hal.archives-ouvertes.fr/hal-02321777