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For a typical sample of ZnS - Cubic the refractive index and extinction coefficient at 632.8 nm are 2.35305 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 - Filmetrics Composite
No guarantee of accuracy - use at your own risk.
Proprietary encrypted file for use with Filmetrics Systems: