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New Glass Family Demonstrates High Refractive Index, UV-Shielding Properties

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A novel composition of germanosilicate glass, created by adding zinc oxide, has properties that could be valuable for lens applications. The new family of zinc germanosilicate glass was invented by a research group at The Pennsylvania State University (Penn State). Samples of the glass demonstrated a high refractive index, comparable to that of pure germania glass. The samples also showed high transparency, good UV-shielding properties, and good glass-forming ability, making them suitable for lens applications. Ye Luo (right), doctoral student in materials science and engineering, pours...Read full article

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