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Zirconium dioxide (ZrO2), sometimes known as zirconia (not to be confused with zircon), is a white crystalline oxide of zirconium.
For a typical sample of ZrO2 the refractive index and extinction coefficient at 632.8 nm are 2.2076 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 Material Database
No guarantee of accuracy - use at your own risk.
Tab-delimited data file for unrestricted use: