Refractive Index of Parylene HT

Parylene HT (tetra fluoro). Not susceptible to UV degradation. Parylene optical constants are deposition-process dependent.

For a typical sample of Parylene HT the refractive index and extinction coefficient at 632.8 nm are 1.556 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
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Refractive Index Reference - Filmetrics Composite

No guarantee of accuracy - use at your own risk.