IRG 27: a "new" glass type for multi-band IR optics

Mark J. Davis; William James III; Gernot Weber; Ralf Jedamzik

doi:10.1117/12.2257225

16 February 2017 IRG 27: a "new" glass type for multi-band IR optics

Mark J. Davis, William James III, Gernot Weber, Ralf Jedamzik

Proceedings Volume 10100, Optical Components and Materials XIV; 1010016 (2017) https://doi.org/10.1117/12.2257225
Event: SPIE OPTO, 2017, San Francisco, California, United States

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.

Conference Presentation

Citation Download Citation

Mark J. Davis, William James III, Gernot Weber, and Ralf Jedamzik "IRG 27: a "new" glass type for multi-band IR optics", Proc. SPIE 10100, Optical Components and Materials XIV, 1010016 (16 February 2017); https://doi.org/10.1117/12.2257225

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