A simple method for measuring the infrared refractive index of optical coatings as a function of wavelength and temperature is described. The values of dn dT are approximately -3.0 × 10-3(K-1) and 48 × 10-6(K-1) at 5 μm for lead telluride and zinc selenide, respectively. © 1990.
CITATION STYLE
Weiting, F., & Yixun, Y. (1990). Temperature effects on the refractive index of lead telluride and zinc selenide. Infrared Physics, 30(4), 371–373. https://doi.org/10.1016/0020-0891(90)90055-Z
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