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Proceedings Paper

Compositional dependence of properties and lens performance of As-Se chalcogenide glass
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Paper Abstract

The market for thermal imaging sensors and cameras has been increasingly focused on higher volumes and lower costs. Precision glass molding (PGM) is a high volume, low cost method which has been utilized for decades to produce lenses from oxide glasses. Due to the recent development of high quality precision-molded chalcogenide glasses, which are transparent at critical thermal imaging wavelengths, PGM has emerged as the enabling technology for low cost infrared optics. Since the price of germanium is high and volatile, it plays a large role in the high price of chalcogenide glasses that contain it. As40Se60 has previously been investigated as a lower-cost alternative to germanium-containing chalcogenide glasses and was found suitable for the PGM process. This paper investigates the composition-dependence of PGM-relevant properties for As38Se62 and standard As40Se60 and presents a comparison of molding behavior and lens performance.

Paper Details

Date Published: 24 August 2017
PDF: 12 pages
Proc. SPIE 10181, Advanced Optics for Defense Applications: UV through LWIR II, 101810Q (24 August 2017); doi: 10.1117/12.2261137
Show Author Affiliations
Jacklyn Novak, LightPath Technologies, Inc. (United States)
Spencer Novak, LightPath Technologies, Inc. (United States)
Jeremy Huddleston, LightPath Technologies, Inc. (United States)
William Moreshead, LightPath Technologies, Inc. (United States)
Alan Symmons, LightPath Technologies, Inc. (United States)
Erik Stover, M3 Measurement Solutions (United States)

Published in SPIE Proceedings Vol. 10181:
Advanced Optics for Defense Applications: UV through LWIR II
Jay N. Vizgaitis; Bjørn F. Andresen; Peter L. Marasco; Jasbinder S. Sanghera; Miguel P. Snyder, Editor(s)

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