# this file is part of refractiveindex.info database # refractiveindex.info database is in the public domain # copyright and related rights waived via CC0 1.0 REFERENCES: | J. Rheims, J Köser, T Wriedt. Refractive-index measurements in the near-IR using an Abbe refractometer. Meas. Sci. Technol. 8, 601-605 (1997) COMMENTS: | 20 °C CONDITIONS: temperature: 293 DATA: - type: formula 5 wavelength_range: 0.4765 0.83 coefficients: 1.35265 0.00306 -2 0.00002 -4