Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Herve Leplan"'
Publikováno v:
SPIE Proceedings.
High power lasers at 1.06 micrometers wavelength like the French 'Megajoule' program require large area mirrors made of alternative layers of HfO2 and SiO2 with high damage threshold. It has ben already identified that nodular defects have a signific
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6d721eb853342bed91905356e998edc
https://doi.org/10.1117/12.360096
https://doi.org/10.1117/12.360096
Publikováno v:
SPIE Proceedings.
The purpose of this paper is to determine the effect induced by the nodular defects in optical thin films under laser irradiation. A strong correlation between the size distribution of defects in optical thin films. The deposition parameters and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dffa993ba006d826b8667415d822718
https://doi.org/10.1117/12.344397
https://doi.org/10.1117/12.344397
Autor:
G. Leroux, Anne Fornier, B. Pinot, Herve Leplan, Timothy L. Weiland, S. C. Burkhart, Philippe Feru
Publikováno v:
SPIE Proceedings.
Large components are needed to build up the Laser Megajoule which belongs to the future generation of fusion laser. It is essential to determine the laser damage threshold of full-size components with a large-size laser beam, and to compare this valu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20a66b69f4c8a303ce5e4df296448420
https://doi.org/10.1117/12.344454
https://doi.org/10.1117/12.344454
Autor:
B. Pinot, Herve Leplan, Anne Fornier, Bernard Geenen, C. Cordillot, D. Bernardino, W. Alexandre
Publikováno v:
SPIE Proceedings.
Large components typically 620 mm X 440 mm are needed to build up the LMJ (laser megajoule) which belongs to the future generation of the fusion laser. Today, the laboratory laser damage facilities allow to test small samples: generally witnesses wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b36cafc149db68157f3d685c212d292
https://doi.org/10.1117/12.307002
https://doi.org/10.1117/12.307002
Autor:
Andre Roussel, Bernard Geenen, Odile Lam, W. Alexandre, Herve Leplan, D. Bernardino, B. Pinot, Anne Fornier, C. Cordillot
Publikováno v:
SPIE Proceedings.
One of the concerns with the megajoule laser design is the laser-induced damage threshold of the transport mirrors. Earlier studies have shown that the main constraint on the laser damage threshold comes from nodules at the mirror surface. It is ther
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa1e482f0a658f3e8c21a2d28b3838f0
https://doi.org/10.1117/12.274240
https://doi.org/10.1117/12.274240
Autor:
Michel Berger, F. Pierre, Y. Pauleau, Catherine Pelle, Herve Leplan, Etienne Quesnel, Oliver Lartigue, Patrick Chaton, Jean-Yves Robic
Publikováno v:
SPIE Proceedings.
Silicon oxynitride thin films were deposited on various substrates by dual ion beam sputtering from a silicon target in an argon oxygen nitrogen mixture. The composition and density of the films were deduced from Rutherford backscattering spectroscop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee3c7820154b3c280486a61252ccc617
https://doi.org/10.1117/12.246826
https://doi.org/10.1117/12.246826
Publikováno v:
SPIE Proceedings.
The French Megajoule Project requires polarizers with high laser-induced damage thresholds. Such polarizers must be deposited on silica substrates, which are commonly prone to stress leading to early failure. Better stress control in the films requir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2293432cf2634dcf722372ee896e9451
https://doi.org/10.1117/12.246815
https://doi.org/10.1117/12.246815
Autor:
Léopold Macé, Olivier Gauthier-Lafaye, Antoine Monmayrant, Stéphane Calvez, Henri Camon, Hervé Leplan
Publikováno v:
AIP Advances, Vol 8, Iss 11, Pp 115228-115228-7 (2018)
We theoretically demonstrate a mid-infrared polarization-independent guided-mode-resonance transmission filter. We designed a structure based on a deeply-etched 2D grating above a thin slab of the same material respectively supporting transverse magn
Externí odkaz:
https://doaj.org/article/a787eca6b038437186f6afdd2259cc23
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