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

Author: Frank Padera Thursday, August 19, 2021
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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