Refractive Index of SPR3000

For a typical sample of SPR3000 the refractive index and extinction coefficient at 632.8 nm are 1.633 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".

• Proprietary encrypted file for use with Filmetrics systems
  Request

Refractive Index Reference - Based on Cauchy Coefficients (no k values)

No guarantee of accuracy - use at your own risk.