Techniques For The Preparation Of Bulk High Optical Quality Heavy Metal Fluoride Glasses

16 October 1984

proceedings article
Published by SPIE-Intl Soc Optical Eng

Vol. 484, 83-89
https://doi.org/10.1117/12.943146

Abstract

A new approach to the fabrication of bulk samples of heavy metal fluoride glasses with high optical quality is described. The method makes use of a sealed, modified crystal growth furnace coupled with careful attention to raw materials preparation and handling. A series of 12 fluorozirconate glasses and 2 fluorohafnate glasses prepared via the method were examined in terms of optical and physical properties, and compared with samples made by more conventional approaches. Glasses fabricated using the new technique consistently exhibit low levels of both light scattering and bulk OH content, along with very reproducible hardness, thermal parameters and UV and IR edge absorption behavior.© (1984) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

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