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Measurement of chalcogenide glass optical dispersion using a mid-infrared prism coupler

Record type: Conference or Workshop Item (Paper)

Chalcogenide glass development continues to be the source of intense study by research groups around the world. Their physical properties, including broadband infrared transparency, high refractive index, low glass transition temperature, and nonlinear properties, make chalcogenide materials attractive candidates for advanced mid-infrared (3 to 12 µm) optical designs. Efforts focused at developing new chalcogenide glass formulations and processing methods require rapid quantitative evaluation of their optical constants to guide the materials research. However, characterization of important optical parameters such as optical dispersion and thermal index variations (dn/dT) remains a slow and costly process, generally with limited accuracy. The recent development of a prism coupler at the Pacific Northwest National Laboratory (PNNL) now enables rapid, high precision measurement Clf refractive indices at discrete wavelengths from the visible to the mid-infrared. Optical dispersion data of several chalcogenide glass families were collected using this method. Variations in the optical dispersion were correlated to glass composition and then compared against minimum deviation measurements. While this work has been focused on chalcogenide glass synthesis, mid-infrared prism coupler analysis has broader applications to other mid-infrared optical material development efforts, including oxide glasses and crystalline materials.

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Citation

Qiao, A.Hong, Anheier, Norm C., Musgraves, J.David, Richardson, Kathleen and Hewak, Daniel W., (2010) Measurement of chalcogenide glass optical dispersion using a mid-infrared prism coupler Tustison, Randal W. (ed.) At SPIE Defence and Security Conference: Window & Dome Technologies and Materials XII, United States. 25 - 29 Apr 2010. , 80160F. (doi:10.1117/12.884320).

More information

e-pub ahead of print date: 27 April 2010
Venue - Dates: SPIE Defence and Security Conference: Window & Dome Technologies and Materials XII, United States, 2010-04-25 - 2010-04-29

Identifiers

Local EPrints ID: 193389
URI: http://eprints.soton.ac.uk/id/eprint/193389
ISBN: 9780819485908
PURE UUID: 9b9b821d-9475-4730-ac4a-6c0b3a68c31b
ORCID for Daniel W. Hewak: ORCID iD orcid.org/0000-0002-2093-5773

Catalogue record

Date deposited: 28 Jul 2011 10:28
Last modified: 18 Jul 2017 11:29

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Contributors

Author: A.Hong Qiao
Author: Norm C. Anheier
Author: J.David Musgraves
Author: Kathleen Richardson
Author: Daniel W. Hewak ORCID iD
Editor: Randal W. Tustison

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