The manufacturing of low loss chalcogenide glasses (ChGs) for optoelectronic applications is ultimately defined by the concentration of impurities present in starting materials or imparted via processing. We describe a rapid method for purifying metallic starting materials in As2Se3glass where oxide reduction is correlated to optical and physical properties. Specifically, As-O reduction enhances the glass’ dual-band optical transparency proportional to the extent (13-fold reduction) of oxide reduction, and is accompanied by a change in density and hardness associated with changes in matrix bonding. A significant modification of the glass’ index and LWIR Abbe number is reported highlighting the significant impact purification has on material dispersion control required in optical designs.
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Geiger, Sarah ; Du, Qingyang ; Huang, Bin ; Shalaginov, Mikhail Y. ; Michon, Jérôme ; Lin, Hongtao ; Gu, Tian ; Yadav, Anupama ; Richardson, Kathleen A. ; Jia, Xinqiao ; et al ( , Optical Materials Express)
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Serna, Samuel ; Lin, Hongtao ; Alonso-Ramos, Carlos ; Yadav, Anupama ; Le Roux, Xavier ; Richardson, Kathleen ; Cassan, Eric ; Dubreuil, Nicolas ; Hu, Juejun ; Vivien, Laurent ( , Photonics Research)
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Li, Lan ; Lin, Hongtao ; Huang, Yizhong ; Shiue, Ren-Jye ; Yadav, Anupama ; Li, Junying ; Michon, Jerome ; Englund, Dirk ; Richardson, Kathleen ; Gu, Tian ; et al ( , Optica)
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Li, Lan ; Lin, Hongtao ; Michon, Jerome ; Huang, Yizhong ; Li, Junying ; Du, Qingyang ; Yadav, Anupama ; Richardson, Kathleen ; Gu, Tian ; Hu, Juejun ( , International Journal of Applied Glass Science)