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From Schott Optical Glass Catalogue of August 2010
For a typical sample of Schott N-SK2 the refractive index and extinction coefficient at 632.8 nm are 1.60513 and 0. Below are files of complete refractive index and extinction coefficients. If the file is not available for download, you can request our proprietary file by clicking "Request".
Refractive Index Reference - Generated using Sellmeier dispersion model with coefficents listed in Schott Glass Catalogue of August 2010
No guarantee of accuracy - use at your own risk.
Tab-delimited data file for unrestricted use: