Intrinsic Instabilities Of Heavy Metal Fluoride Glasses (HMFG)

A. J. Bruce; C. T. Moynihan; S. R. Loehr; S. M. Opalka; R. Mossadegh; N. L. Perazzo; N. P. Bansal; R. H. Doremus; M. G. Drexhage

doi:10.1117/12.943141

16 October 1984 Intrinsic Instabilities Of Heavy Metal Fluoride Glasses (HMFG)

A. J. Bruce, C. T. Moynihan, S. R. Loehr, S. M. Opalka, R. Mossadegh, N. L. Perazzo, N. P. Bansal, R. H. Doremus, M. G. Drexhage

Author Affiliations +

Proceedings Volume 0484, Infrared Optical Materials and Fibers III; (1984) https://doi.org/10.1117/12.943141
Event: 1984 Technical Symposium East, 1984, Arlington, United States

Abstract

Heavy metal fluoride glasses (HMFG) are potentially useful as optical components in a wide range of devices. Their utilization has so far been delayed mainly because of insufficient material purity and inadequate processing conditions. However, as the result of numerous research efforts these problems are gradually diminishing and it now seems likely that the ultimate limitations for use of HMFG components, at least in those applications where high optical transparency is not a prerequisite, will be imposed by more intrinsic instabilities of the glasses themselves. These include their strong tendency to crystallize on quenching and subsequent reheating, low mechanical and chemical durability and the possibility that they will undergo significant physical aging in situ. Experimental data relating to these problems have now been obtained and in the light of these we wish to present an assessment of their relative importance.

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A. J. Bruce, C. T. Moynihan, S. R. Loehr, S. M. Opalka, R. Mossadegh, N. L. Perazzo, N. P. Bansal, R. H. Doremus, and M. G. Drexhage "Intrinsic Instabilities Of Heavy Metal Fluoride Glasses (HMFG)", Proc. SPIE 0484, Infrared Optical Materials and Fibers III, (16 October 1984); https://doi.org/10.1117/12.943141

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