Infrared Transparent Selenide Glasses

机译：红外透明硒化物玻璃

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A selenide glass with improved mechanical and optical properties such as extendedtransmission in the infrared region of radiation having wavelengths beyond 15 microns; Tg in the region of 363.394 deg C.; and thermal stability of 85-145 deg C. based on the difference between T(g) and T(x), comprising, on mol basis, 20-70% germanium selenide, 0.5-25% gallium selenide, indium selenide or mixtures thereof; and 5-50% of at least one alkaline earth in selenide form is described. A process for improving mechanical and optical properties of a selenide glass based on germanium selenide comprises the steps of mixing glass components, including a modifier in elemental or selenide form; melting the glass components to form a molten mixture; cooling the molten glass mixture to a solid state; annealing the solid glass; and cooling the annealed glass to about room temperature is also described. The glass components can be in elemental form or in the form of selenides, and if in elemental form, then sufficient amount of selenium is added to form selenides of the glass components.

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作者
Moon, J.; Sanghera, I.; Harbison, B.; Aggarwal, I. D.;
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年度 1997
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总页数 14
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Patent applications; Glass; Optical properties; Mechanical properties; Transparence; Thermal stability; Mixtures; Infrared optical materials; Selenides;

机译：专利申请;玻璃;光学性能;机械性能;透明性;热稳定性;混合物;红外光学材料;硒化物;

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Infrared Transparent Selenide Glasses

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