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Proceedings Paper

IRG 27: a "new" glass type for multi-band IR optics
Author(s): Mark J. Davis; William James III; Gernot Weber; Ralf Jedamzik
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Paper Abstract

SCHOTT has introduced IRG 27, a classic chalcogenide glass (As2S3), possessing transparency from approximately 0.65 μm to well into the long-wavelength IR (> 10 μm). Additionally, this glass exhibits an extremely small thermo-optic (dn/dT) value for most of its transparency range, a critical attribute in certain applications. Relatively low density and a good thermal expansion match to aluminum are further useful characteristics of IRG 27.

Paper Details

Date Published: 16 February 2017
PDF: 6 pages
Proc. SPIE 10100, Optical Components and Materials XIV, 1010016 (16 February 2017); doi: 10.1117/12.2257225
Show Author Affiliations
Mark J. Davis, SCHOTT North America, Inc. (United States)
William James III, SCHOTT North America, Inc. (United States)
Gernot Weber, SCHOTT AG (Germany)
Ralf Jedamzik, SCHOTT AG (Germany)


Published in SPIE Proceedings Vol. 10100:
Optical Components and Materials XIV
Shibin Jiang; Michel J. F. Digonnet, Editor(s)

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