To request the proprietary encrypted file please enter your Filmetrics system information
Magnesium fluoride is an inorganic compound with the formula MgF2. This white crystalline salt is useful because it is transparent over a wide range of wavelengths.
For a typical sample of MgF2 the refractive index and extinction coefficient at 632.8 nm are 1.38288 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 - Sopra Materials Database
No guarantee of accuracy - use at your own risk.
Tab-delimited data file for unrestricted use: