Refractive Index of Ta, Tantalum

Tantalum is a chemical element with the symbol Ta and atomic number 73. A rare, hard, blue-gray, lustrous transition metal, tantalum is highly corrosion resistant.

For a typical sample of Ta the refractive index and extinction coefficient at 632.8 nm are 1.724 and 2.075. 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".

• Tab-delimited data file for unrestricted use
  Download

Refractive Index Reference - Sopra Material Database

No guarantee of accuracy - use at your own risk.