# 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: | L. Gampel and F. M. Johnson, Index of refraction of single-crystal selenium, J. Opt. Soc. Am., 59, 72-73 (1969) COMMENTS: | Single-crystal selenium; 23 °C; Extraordinary ray. CONDITIONS: temperature: 298 direction: e DATA: - type: tabulated n data: | 1.06 3.608 1.15 3.573 3.39 3.46 10.6 3.41