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Proceedings Paper

Anion exchange of oxygen by sulfur in GeO2-based glasses
Author(s): Johannes Norrel; Michelle deCastro; Laeticia Petit; Thierry Cardinal; Francois Guillen; Kathleen A. Richardson; Philippe Vinatier; M. Couzi
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Paper Abstract

Germanium-based glasses containing heavy metal oxides (Sb2O3) have been investigated. These materials are good candidates for near infrared (IR) applications due to their mid-wave IR cut-off wavelengths (5 ≈ 7 μm). Among inorganic glasses, sulfide materials exhibit the largest third-order optical nonlinear susceptibility and good IR transparency but suffer from low thermal-mechanical stability and photo-induced degradation upon exposure to near-bandgap radiation. The preparation of oxysulfide materials for optical applications offers a unique trade off between the superb chemical stability of the oxide and the attractive optical properties of sulfide. In this presentation we describe a new chemical route for the preparation of oxysulfide glasses for optical applications. The evidence of glass network structural modification is confirmed using infrared and Raman spectroscopy. Film deposition based on sputtering techniques compatible with synthesis of such materials has been performed. The initial characterization of the resulting films has been performed and findings are described.

Paper Details

Date Published: 17 June 2003
PDF: 10 pages
Proc. SPIE 4990, Rare-Earth-Doped Materials and Devices VII, (17 June 2003); doi: 10.1117/12.501140
Show Author Affiliations
Johannes Norrel, Institut de Chimie de la Matiere Condensee de Bordeaux-CNRS (France)
Michelle deCastro, Institut de Chimie de la Matiere Condensee de Bordeaux-CNRS (France)
Laeticia Petit, CREOL/Univ. of Central Florida (United States)
Thierry Cardinal, Institut de Chimie de la Matiere Condensee de Bordeaux-CNRS (France)
Francois Guillen, Institut de Chimie de la Matiere Condensee de Bordeaux-CNRS (France)
Kathleen A. Richardson, CREOL/Univ. of Central Florida (United States)
Schott Glass Technologies (United States)
Philippe Vinatier, Institut de Chimie de la Matiere Condensee de Bordeaux-CNRS (France)
M. Couzi, Lab. de Physico-Chimie Moleculaire UMR-CNRS (France)


Published in SPIE Proceedings Vol. 4990:
Rare-Earth-Doped Materials and Devices VII
Shibin Jiang; Jacques Lucas, Editor(s)

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