Zobrazeno 1 - 10 of 295 pro vyhledávání: '"Jean-Michel André"'
1
Akademický článek
From In Situ to satellite observations of pelagic Sargassum distribution and aggregation in the Tropical North Atlantic Ocean.
Autor: Anouck Ody, Thierry Thibaut, Léo Berline, Thomas Changeux, Jean-Michel André, Cristèle Chevalier, Aurélie Blanfuné, Jean Blanchot, Sandrine Ruitton, Valérie Stiger-Pouvreau, Solène Connan, Jacques Grelet, Didier Aurelle, Mathilde Guéné, Hubert Bataille, Céline Bachelier, Dorian Guillemain, Natascha Schmidt, Vincent Fauvelle, Sophie Guasco, Frédéric Ménard
Publikováno v: PLoS ONE, Vol 14, Iss 9, p e0222584 (2019)
The present study reports on observations carried out in the Tropical North Atlantic in summer and autumn 2017, documenting Sargassum aggregations using both ship-deck observations and satellite sensor observations at three resolutions (MSI-10 m, OLC
Externí odkaz: https://doaj.org/article/ad27d8c13637461babf93d47b6854e14
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2
Akademický článek
EUV stimulated emission from MgO pumped by FEL pulses
Autor: Philippe Jonnard, Jean-Michel André, Karine Le Guen, Meiyi Wu, Emiliano Principi, Alberto Simoncig, Alessandro Gessini, Riccardo Mincigrucci, Claudio Masciovecchio, Olivier Peyrusse
Publikováno v: Structural Dynamics, Vol 4, Iss 5, Pp 054306-054306-12 (2017)
Stimulated emission is a fundamental process in nature that deserves to be investigated and understood in the extreme ultra-violet (EUV) and x-ray regimes. Today, this is definitely possible through high energy density free electron laser (FEL) bea
Externí odkaz: https://doaj.org/article/061fcecae9e64940bf3c73c055a70a61
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3
Maxwell-Bloch modeling of an x-ray pulse amplification in a one-dimensional photonic crystal
Autor: Philippe Jonnard, Jean-Michel André, Olivier Peyrusse
Publikováno v: Physical Review A : Atomic, molecular, and optical physics [1990-2015]
Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2021, 103, pp.043508. ⟨10.1103/PhysRevA.103.043508⟩
Physical Review A
Physical Review A, American Physical Society, 2021, 103, pp.043508. ⟨10.1103/PhysRevA.103.043508⟩
International audience; We present an implementation of the Maxwell-Bloch (MB) formalism for the study of x-ray emission dynamics from periodic multilayer materials whether they are artificial or natural. The treatment is based on a direct Finite-Dif
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72f549d75e554789121b12355f34b9c4
https://hal.science/hal-03224248
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4
X-ray emission from layered media irradiated by an x-ray free-electron laser
Autor: K. Le Guen, Olivier Peyrusse, Philippe Jonnard, Jean-Michel André
Publikováno v: Physical Review A
Physical Review A, American Physical Society, 2020
Physical Review A : Atomic, molecular, and optical physics [1990-2015]
Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2020
International audience; This article presents a computational study of the x-ray fluorescence induced by the irradiation of thin layered media by intense, short x-ray pulses. The treatment is based on a numerical solution of the Helmholtz wave-equati
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c638f26a902d49faf4231edf7c5d4077
https://hal.archives-ouvertes.fr/hal-02458070/document
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5
Hindcasting the 2017 dispersal of Sargassum algae in the Tropical North Atlantic
Autor: Julien Jouanno, Jean-Michel André, Thierry Thibaut, Léo Berline, A. Ody, Frédéric Ménard, Cristèle Chevalier
Publikováno v: Marine Pollution Bulletin
Marine Pollution Bulletin, 2020, 158, pp.111431. ⟨10.1016/j.marpolbul.2020.111431⟩
Marine Pollution Bulletin, Elsevier, 2020, 158, pp.111431. ⟨10.1016/j.marpolbul.2020.111431⟩
International audience; Since 2011, huge amounts of Sargassum algae are detected in the equatorial Atlantic, causing large strandings events on the coasts of the West Indies, Brazil and West Africa. The distribution of this stock shows strong annual
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44d426ff3c661940ead417f0f089139d
https://hal.science/hal-02925638/file/Berline_MPB2020_HAL.pdf
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6
From In Situ to satellite observations of pelagic Sargassum distribution and aggregation in the Tropical North Atlantic Ocean
Autor: Jean-Michel André, Hubert Bataille, Didier Aurelle, Sophie Guasco, Jacques Grelet, Dorian Guillemain, Jean Blanchot, Céline Bachelier, Mathilde Guéné, Valérie Stiger-Pouvreau, Léo Berline, A. Ody, Cristèle Chevalier, Sandrine Ruitton, Thierry Thibaut, Natascha Schmidt, Aurelie Blanfuné, Frédéric Ménard, Vincent Fauvelle, Solène Connan, Thomas Changeux
Publikováno v: PLoS ONE
PLoS ONE, 2019, 14 (9), pp.e0222584. ⟨10.1371/journal.pone.0222584⟩
PLoS ONE, Public Library of Science, 2019, 14 (9), pp.e0222584. ⟨10.1371/journal.pone.0222584⟩
Plos One (1932-6203) (Public Library of Science (PLoS)), 2019-09, Vol. 14, N. 9, P. e0222584 (29p.)
PLoS ONE, Vol 14, Iss 9, p e0222584 (2019)
International audience; The present study reports on observations carried out in the Tropical North Atlantic in summer and autumn 2017, documenting Sargassum aggregations using both ship-deck observations and satellite sensor observations at three re
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3dff9245daab9994ec2a338e3c116ffd
https://hal.science/hal-02291680
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7
Kossel diffraction observed with X-ray color camera during PIXE of nano-scale periodic multilayer
Autor: D. Schmaus, Philippe Jonnard, Jean-Michel André, Qiushi Huang, Philippe Walter, Emrick Briand, Karine Le Guen, Zhanshan Wang, Ian Vickridge, Meiyi Wu
Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier, 2019, 450, pp.252-256. ⟨10.1016/j.nimb.2018.08.008⟩
International audience; By combining Kossel diffraction with particle induced X-ray emission, we have developed a new methodology to analyze nano-scale thin films. We report the Kossel diffraction generated by irradiating Pd/Y based nano-scale period
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20be5049703676f6a1c5b0b60f45b5ca
https://hal.sorbonne-universite.fr/hal-02162011/file/Paper_PdY_PIXE_KOSSEL.pdf
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8
Kossel Effect in Periodic Multilayers
Autor: Jingtao Zhu, Philippe Jonnard, Stefano Nannarone, Yanyan Yuan, Françoise Bridou, Meiyi Wu, Qiushi Huang, Angelo Giglia, Sébatien de Rossi, Vita Ilakovac, Philippe Walter, Jean-Michel André, Franck Delmotte, S. Steydli, Zhanshan Wang, Karine Le Guen, Emrick Briand, Evgueni Meltchakov, Zhong Zhang, Ian Vickridge, Yuchun Tu, D. Schmaus
Publikováno v: Journal of nanoscience and nanotechnology
19 (2019): 593–601. doi:10.1166/jnn.2019.16472
info:cnr-pdr/source/autori:Le Guen, Karine; Andre, Jean-Michel; Wu, Meiyi; Ilakovac, Vita; Delmotte, Franck; de Rossi, Sebatien; Bridou, Francoise; Meltchakov, Evgueni; Giglia, Angelo; Nannarone, Stefano; Wang, Zhanshan; Huang, Qiushi; Zhang, Zhong; Zhu, Jingtao; Tu, Yuchun; Yuan, Yanyan; Vickridge, Ian; Schmaus, Didier; Briand, Emrick; Steydli, Sebastien; Walter, Philippe; Jonnard, Philippe/titolo:Kossel Effect in Periodic Multilayers/doi:10.1166%2Fjnn.2019.16472/rivista:Journal of nanoscience and nanotechnology (Print)/anno:2019/pagina_da:593/pagina_a:601/intervallo_pagine:593–601/volume:19
Journal of Nanoscience and Nanotechnology
Journal of Nanoscience and Nanotechnology, American Scientific Publishers, 2019, 19 (1), pp.593-601. ⟨10.1166/jnn.2019.16472⟩
International audience; The Kossel effect is the diffraction by a periodically structured medium, of the characteristic X-ray radiation emitted by the atoms of the medium. We show that multilayers designed for X-ray optics applications are convenient
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb7674230aa80e374dcf66f8baccde7e
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9
Note: Observation of the angular distribution of an x-ray characteristic emission through a periodic multilayer
Autor: Philippe Jonnard, Meiyi Wu, Emrick Briand, Zhanshan Wang, D. Schmaus, Jean-Michel André, S. Steydli, Qiushi Huang, Karine Le Guen, Philippe Walter, Ian Vickridge
Publikováno v: Review of Scientific Instruments
Review of Scientific Instruments, American Institute of Physics, 2018, 89 (9), pp.096109. ⟨10.1063/1.5040980⟩
We present the observation of the angular distribution of a characteristic x-ray emission through a periodic multilayer. The emission coming from the substrate on which the multilayer is deposited is used for this purpose. It is generated upon proton
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5282413d97df90214d3fbd85d417834
https://hal.sorbonne-universite.fr/hal-01882729
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