# 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: | N. P. Barnes and D. J. Gettemy. Temperature variation of the refractive indices of yttrium lithium fluoride. J. Opt. Soc. Am. 70, 1244-1247 (1980) COMMENTS: | Room temperature. Ordinary ray (o). CONDITIONS: direction: o DATA: - type: formula 2 wavelength_range: 0.225 2.6 coefficients: 0.38757 0.70757 0.00931 0.18849 50.99741