Zobrazeno 1 - 10 of 25 pro vyhledávání: '"Nadja Roquin"'
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Akademický článek
Linear-to-circular polarization conversion with full-silica meta-optics to reduce nonlinear effects in high-energy lasers
Autor: Nicolas Bonod, Pierre Brianceau, Jérôme Daurios, Sylvain Grosjean, Nadja Roquin, Jean-Francois Gleyze, Laurent Lamaignère, Jérôme Neauport
Publikováno v: Nature Communications, Vol 14, Iss 1, Pp 1-10 (2023)
Abstract High-energy lasers have benefited from intense efforts to bring light-matter interactions to new standards and to achieve laser fusion ignition. One of the main issues to further increasing laser energy is the resistance of optical materials
Externí odkaz: https://doaj.org/article/b20ab49c5ae74d009766f4356671ff4b
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3
Polarization dependence of laser damage growth features on multilayer dielectric mirrors for petawatt-class lasers
Autor: Saaxewer Diop, Marine Chorel, Alexandre Ollé, Nadja Roquin, Éric Lavastre, Laurent Gallais, Nicolas Bonod, Laurent Lamaignère
Publikováno v: Optics Letters
Optics Letters, 2022, ⟨10.1364/OL.474961⟩
PETAL (Petawatt Aquitaine Laser) is an ultrahigh-power laser dedicated to academic research that delivers sub-picosecond pulses. One of the major issues of these facilities is the laser damage on optical components located at the final stage. Transpo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3273521e22a53ca47acc175ff2427e72
https://cnrs.hal.science/hal-03868880/file/Polarization_submission.pdf
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4
Laser damage growth experiments on optimized multilayer dielectric coatings in the sub-picosecond regime
Autor: Saaxewer Diop, Marine Chorel, Éric Lavastre, Nadja Roquin, Nicolas Bonod, Laurent Gallais, Laurent Lamaignère
Publikováno v: Optical Interference Coatings
Optical Interference Coatings, 2022, Vancouver, Canada. pp.ThD.2, ⟨10.1364/OIC.2022.ThD.2⟩
International audience; A robust-optimization algorithm of multilayer dielectric mirrors has been validated to improve laser-induced damage threshold in the sub-picosecond regime (e.g, OSA, Conf. OIC, 2019). We demonstrated that the damage growth thr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebaaa4c0e6c53d560a84ccff5cc33ee1
https://hal.science/hal-03917318
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5
Investigation on the impact of stress on short pulse laser damage threshold on MLD coating
Autor: Marine Chorel, Éric Lavastre, Thomas Lanternier, Nadja Roquin, Christophe Leymarie, Laurent Lamaignère, Jérôme Néauport
Publikováno v: Optical Interference Coatings Conference (OIC) 2022.
The potential effect of stress on the LIDT of MLD coatings is investigated. No significant variations are observed, indicating the LIDT fluctuation with the environment are not due to stress but refractive index variations.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3c7a3658e885ceb5155baa3452532f97
https://doi.org/10.1364/oic.2022.fa.5
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6
Influence of the multilayer dielectric mirror design on the laser damage growth in the sub-picosecond regime
Autor: Saaxewer Diop, Marine Chorel, Éric Lavastre, Nadja Roquin, Laurent Gallais, Nicolas Bonod, Laurent Lamaignère
Publikováno v: Applied Optics. 62:B126
The peak power of high-power laser facilities is limited by the laser-induced damage to the final optical components. Also, when a damage site is generated, the damage growth phenomenon limits the lifetime of the component. Many studies have been per
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8225fab10bdcc392cb02b7c0798a3589
https://doi.org/10.1364/ao.477054
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8
How to provide reliable metrology of online laser-induced damage on large fused silica optics using digital image correlation
Autor: François Hild, Jérôme Néauport, Chloé Lacombe, Nadja Roquin, Laurent Lamaignère, Romain Parreault, Thierry Donval, Guillaume Hallo
Publikováno v: Optical Fabrication, Testing, and Metrology VII.
Final fused silica optics of high energy fusion class laser facilities are one of the components that limit the UV laser energy available for experiments. These final optics suffer from laser-induced damage. Some solutions are available to limit lase
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::68a3a8879a5f26ceb8dc57da4db953cf
https://doi.org/10.1117/12.2597310
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9
Round-robin measurements of the laser-induced damage threshold with sub-picosecond pulses on optical single layers
Autor: Brittany N. Hoffman, Laurent Lamaignère, Marine Chorel, Andrius Melninkaitis, Nadja Roquin, Alexandre Ollé, Stavros G. Demos, James B. Oliver, Laurent Gallais, Raluca A. Negres, A. A. Kozlov
Publikováno v: Optical Engineering
Optical Engineering, 2021, 60 (03), pp.031005. ⟨10.1117/1.OE.60.3.031005⟩
Optical Engineering, SPIE, 2021, 60 (03), ⟨10.1117/1.OE.60.3.031005⟩
International audience; The standardization and comparison of laser-damage protocols and results are essential prerequisites for development and quality control of large optical components used in high-power laser facilities. To this end, the laser-i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f57162c12a1daad3e1413d6d7b6dc55
https://hal.science/hal-03466247/document
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10
Sub-pixel detection of laser-induced damage and its growth on fused silica optics using registration residuals
Autor: Thierry Donval, Nadja Roquin, Chloé Lacombe, Laurent Lamaignère, Jérôme Néauport, Guillaume Hallo, François Hild, Romain Parreault
Publikováno v: Optics Express
Optics Express, 2021, 29 (22), pp.35820-35836. ⟨10.1364/oe.433862⟩
Optics Express, Optical Society of America-OSA Publishing, 2021, 29 (22), pp.35820-35836. ⟨10.1364/oe.433862⟩
Fused silica optics are key components to manipulate high energy Inertial Confinement Fusion (ICF) laser beams but their optical properties can be degraded by laser-induced damage. The detection of laser damage sites is of major importance. The chall
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9ad33b58714030fa3f2e5787c9d9840
https://hal.science/hal-03491141/document
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