17 June 2003 Anion exchange of oxygen by sulfur in GeO2-based glasses
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Proceedings Volume 4990, Rare-Earth-Doped Materials and Devices VII; (2003) https://doi.org/10.1117/12.501140
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States
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.
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Johannes Norrel, Michelle deCastro, Laeticia Petit, Thierry Cardinal, Francois Guillen, Kathleen A. Richardson, Philippe Vinatier, M. Couzi, "Anion exchange of oxygen by sulfur in GeO2-based glasses", Proc. SPIE 4990, Rare-Earth-Doped Materials and Devices VII, (17 June 2003); doi: 10.1117/12.501140; https://doi.org/10.1117/12.501140
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