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Optical and structural properties of new ...
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Document type :
Article dans une revue scientifique
DOI :
10.1016/j.jnoncrysol.2007.01.104
Title :
Optical and structural properties of new chalcohalide glasses
Author(s) :
Guignard, M. [Auteur]
Institut des Sciences Chimiques de Rennes [ISCR]
Nazabal, Virginie [Auteur correspondant]
Institut des Sciences Chimiques de Rennes [ISCR]
Moreac, A. [Auteur]
Groupe matière condensée et matériaux [GMCM]
Cherukulappurath, S. [Auteur]
Propriétés Optiques des Matériaux et Applications [POMA]
Boudebs, G. [Auteur]
Propriétés Optiques des Matériaux et Applications [POMA]
Zeghlache, H. [Auteur]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Martinelli, G. [Auteur]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Quiquempois, Y. [Auteur]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Smektala, Frédéric [Auteur]
Institut des Sciences Chimiques de Rennes [ISCR]
Adam, Jean-Luc [Auteur]
Institut des Sciences Chimiques de Rennes [ISCR]
Journal title :
Journal of Non-Crystalline Solids
Pages :
1322-1326
Publisher :
Elsevier
Publication date :
2008-02-15
ISSN :
0022-3093
English keyword(s) :
Chalcohalides
Non-linear optics
Raman Spectroscopy
Short-range order
HAL domain(s) :
Chimie/Matériaux
English abstract : [en]
New class of chalcohalide glasses has been prepared in the GeS2-In2S3-CsI system with regard to their potential non-linear properties. The study of glass-forming region was undertaken to select glassy compositions, which ...
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New class of chalcohalide glasses has been prepared in the GeS2-In2S3-CsI system with regard to their potential non-linear properties. The study of glass-forming region was undertaken to select glassy compositions, which present high non-linear (NL) optical properties with a low two-photon absorption. Thermal analyses, structural examination by Raman spectroscopy, non-linear optical measurements were investigated as a function of CsI contents. Introduction of CsI has shifted the band-gap edge towards the blue region of the absorption optical spectrum and therefore has limited the two-photon absorption. Their NL refractive index n2 are 60 times higher than silica glasses without any NL absorption. Moreover, second harmonic signal was observed in thermally poled samples similar to silica glass. However, this second order non-linearity is not temporally stable.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Collections :
  • Laboratoire de Physique des Lasers, Atomes et Molécules (PhLAM) - UMR 8523
Source :
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