# 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: | A. I. Golovashkin and G. P. Motulevich. Optical properties of tin at helium temperaturs, Sov. Phys. JETP 20, 44-49 (1965) COMMENTS: | 4.2 K (-268.95 °C) DATA: - type: tabulated nk data: | 0.93 2.95 7.62 0.99 3.70 7.15 1.2 3.05 5.98 1.35 2.55 6.64 1.5 1.99 7.80 1.7 1.51 9.35 2.0 1.38 11.4 2.5 1.39 14.6 3.0 1.58 18.0 3.5 1.95 21.1 4.0 2.13 24.2 5.0 2.75 30.0 6.0 3.73 35.8 7.0 4.89 41.6 8.0 6.05 47.4 9.0 7.90 53.3 10.0 10.1 58.7 11.0 12.6 63.4 12.0 15.3 67.0 CONDITIONS: temperature: 4.2