Anion Exchange Of Oxygen By Sulfur In Geo2-Based Glasses
Glass; IR; Oxysulfide; Raman spectroscopy; Sulfination
Germanium-based glasses containing heavy metal oxides (Sb2O 3) have been investigated. These materials are good candidates for near infrared (IR) applications due to their mid-wave IR cut-off wavelength (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.
Proceedings of SPIE - The International Society for Optical Engineering
Number of Pages
Article; Proceedings Paper
Source API URL
Norrel, Johannes; DeCastro, Michelle; and Petit, Laeticia, "Anion Exchange Of Oxygen By Sulfur In Geo2-Based Glasses" (2003). Scopus Export 2000s. 1495.