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Proceedings Paper

Development of chalcogenide glasses as optical materials for infrared systems
Author(s): Ray Hilton
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Paper Abstract

The development and use of arsenic trisulfide glass in infrared systems began in 1950. The glass was produced commercially in ton quantities by a number of companies in the US and Europe and used in NIR and MWIR systems mostly for commercial use. In the 60's, it became apparent that new optical materials capable of longer wavelength transmission would be needed for thermal imaging systems beginning to be considered. The government sponsored exploratory development programs aimed at providing selenium and tellurium containing glasses. By mid 1970's, two selenium based glass compositions had been developed and were in production in the U.S. Many tons of these two glasses have been produced and used in the 1980's, 1990's and present day for thermal imaging systems both military and commercial. The fact that only two glass compositions have been used so extensively for such a long period is due in part to the size of the effort required to identify, characterize and produce a new glass to a state where it will be considered by the optical designer for use in new systems. But new compositions may be needed to provide a glass better suited for a different application. Glasses developed by Amorphous Materials for different applications will be described.

Paper Details

Date Published: 18 May 2005
PDF: 4 pages
Proc. SPIE 5786, Window and Dome Technologies and Materials IX, (18 May 2005); doi: 10.1117/12.604407
Show Author Affiliations
Ray Hilton, Amorphous Materials, Inc. (United States)


Published in SPIE Proceedings Vol. 5786:
Window and Dome Technologies and Materials IX
Randal W. Tustison, Editor(s)

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