Temperature-dependent dispersion fitting for a recent infrared glass catalog

Guy Beadie; Erik Stover; Daniel Gibson

doi:10.1117/12.2518494

19 June 2019 Temperature-dependent dispersion fitting for a recent infrared glass catalog

Guy Beadie, Erik Stover, Daniel Gibson

Proceedings Volume 10998, Advanced Optics for Imaging Applications: UV through LWIR IV; 1099804 (2019) https://doi.org/10.1117/12.2518494
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

Abstract

Optical design requires an accurate knowledge of the dispersion functions for the materials in each lens. For systems to work over a wide range of temperature, knowing the temperature dependence of these functions is as important as knowing the coefficients of thermal expansion. The dispersion curves of several NRL-developed infrared glasses were measured over a temperature range that spanned, at minimum, -20°C to 60°C. Details concerning the data fidelity, data modeling, fit results, and physical implications of the results will be provided in this work.

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Citation Download Citation

Guy Beadie, Erik Stover, and Daniel Gibson "Temperature-dependent dispersion fitting for a recent infrared glass catalog", Proc. SPIE 10998, Advanced Optics for Imaging Applications: UV through LWIR IV, 1099804 (19 June 2019); https://doi.org/10.1117/12.2518494

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