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Measuring Absorptance and Refractive Index of Thin Films with UV/Vis/NIR

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Author: Frank Padera
Thursday, August 19, 2021
PerkinElmer

An optical coating consists of a combination of thin film layers that create interference effects used to enhance transmission or reflection properties for an optical system. In this paper we will show how the absorptance, refractive index, and film thickness of thin films can be calculated from the spectral data.

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