# 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: | M. A. Ordal, R. J. Bell, R. W. Alexander, L. L. Long, M. R. Querry. Optical properties of Au, Ni, and Pb at submillimeter wavelengths. Appl. Opt. 26, 744-752 (1987) DATA: - type: tabulated nk data: | 0.667 2.15 3.88 0.714 2.25 4.11 0.769 2.40 4.34 0.833 2.56 4.57 0.909 2.69 4.80 1.00 2.82 5.11 1.05 2.87 5.28 1.11 2.95 5.48 1.18 2.99 5.70 1.25 3.05 5.98 1.33 3.14 6.30 1.43 3.23 6.65 1.54 3.36 7.05 1.67 3.51 7.49 1.82 3.64 8.01 2.00 3.83 8.63 2.11 3.95 8.95 2.22 4.03 9.30 2.35 4.06 9.73 2.50 4.16 10.2 2.67 4.28 10.8 2.86 4.40 11.4 3.08 4.53 12.1 3.33 4.67 12.9 3.64 4.79 13.9 4.00 4.95 15.1 4.44 5.11 16.6 5.00 5.30 18.5 5.71 5.45 21.0 6.67 6.05 24.4 8.00 7.12 29.0 10.0 8.42 35.7 11.1 9.55 39.5 12.5 11.0 43.8 14.3 13.0 49.0 16.7 15.2 55.5 20.0 18.1 64.6 22.2 20.0 70.7 25.0 22.5 78.1 28.6 25.6 87.8 33.3 30.8 101 40.0 39.1 117 44.4 45.1 127 50.0 52.7 139 57.1 62.5 153 66.7 75.1 170 80.0 92.0 191 100 116 219 125 144 250 154 176 279 200 219 317 286 286 375