Refractive Index of Schott N-BK7

From Schott Optical Glass Catalogue of August 2010

For a typical sample of Schott N-BK7 the refractive index and extinction coefficient at 632.8 nm are 1.515 and 0.000. 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".

  • Tab-delimited data file for unrestricted use
Wavelength (nm)

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.