Filmetrics? Spectral Reflectance Calculator
Calculate reflectance due to thin-film interference by entering your films below. Reflectance at wavelengths from 200nm to 2000nm may be calculated. Up to 20 films may be entered. Our Reflectance Calculator uses the same calculation engine that our thin-film measurement systems do, which is based on the complex-matrix form of the Fresnel equations.
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