Parylene N (non halogenated). Susceptible to UV degradation. Parylene optical constants are deposition-process dependent.

For a typical sample of Parylene N the refractive index and extinction coefficient at 632.8 nm are 1.65848 and 0.00000000000001234901. 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.