Temperature effects on the refractive index of lead telluride and zinc selenide

  • Weiting F
  • Yixun Y
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Abstract

A simple method for measuring the infrared refractive index of optical coatings as a function of wavelength and temperature is described. The values of dndTare approximately -3.0 × 10-3(K-1) and 48 × 10-6(K-1) at 5 μm for lead telluride and zinc selenide, respectively. © 1990.

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Authors

  • Feng Weiting

  • Yan Yixun

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