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Proceedings Paper

A historical view of germanium as an infrared window material
Author(s): Roger M. Sullivan
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Paper Abstract

The story of germanium's development as an infrared dome and window material exemplifies the manner in which the complementary efforts of industry, academia and government can work together to solve scientific and technical challenges. Germanium is one of a few materials which have been used for infrared transparent windows in both the long-wave 8-12 micron region, as well as the mid-wave 3-5 micron region. Due to its legacy as one of the first commercial semiconductors, germanium became available in high purity as a bulk commodity. This paper will examine the history of how germanium came to be used as an infrared window and what enabling technologies have supported its use.

Paper Details

Date Published: 27 April 2009
PDF: 11 pages
Proc. SPIE 7302, Window and Dome Technologies and Materials XI, 73020L (27 April 2009); doi: 10.1117/12.819812
Show Author Affiliations
Roger M. Sullivan, Office of Naval Research (United States)

Published in SPIE Proceedings Vol. 7302:
Window and Dome Technologies and Materials XI
Randal W. Tustison, Editor(s)

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