# 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: | H. E. Ives and H. B. Briggs. Optical constants of rubidium and cesium. J. Opt. Soc. Am. 27, 395-400 (1937) DATA: - type: tabulated nk data: | 0.2536 1.031 0.056 0.3022 0.833 0.071 0.3126 0.814 0.078 0.3341 0.745 0.090 0.3650 0.496 0.135 0.4047 0.275 0.373 0.4358 0.181 0.636 0.5461 0.157 1.05 0.5780 0.164 1.19