# 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: |
    S. Babar and J. H. Weaver.
    Optical constants of Cu, Ag, and Au revisited.
    <a href="https://doi.org/10.1364/AO.54.000477"><i>Appl. Opt.</i> <b>54</b>, 477-481 (2015)</a>
DATA:
  - type: tabulated nk
    data: |
        0.2066 1.079 1.247
        0.2101 1.101 1.258
        0.2138 1.121 1.267
        0.2175 1.140 1.272
        0.2214 1.157 1.280
        0.2254 1.169 1.283
        0.2296 1.181 1.287
        0.2339 1.190 1.294
        0.2384 1.198 1.306
        0.2431 1.215 1.317
        0.2480 1.233 1.326
        0.2530 1.254 1.328
        0.2583 1.270 1.327
        0.2638 1.294 1.329
        0.2695 1.321 1.310
        0.2755 1.348 1.291
        0.2818 1.380 1.247
        0.2883 1.402 1.181
        0.2952 1.427 1.079
        0.3024 1.410 0.894
        0.3100 1.265 0.656
        0.3179 0.859 0.466
        0.3263 0.307 0.651
        0.3351 0.187 1.042
        0.3444 0.142 1.269
        0.3542 0.106 1.467
        0.3647 0.076 1.645
        0.3757 0.061 1.815
        0.3875 0.050 1.981
        0.3999 0.054 2.138
        0.4133 0.050 2.292
        0.4275 0.051 2.448
        0.4428 0.052 2.604
        0.4592 0.052 2.765
        0.4769 0.053 2.930
        0.4959 0.052 3.105
        0.5166 0.052 3.288
        0.5391 0.05168 3.483
        0.5636 0.05009 3.694
        0.5904 0.04977 3.918
        0.6199 0.04803 4.164
        0.6525 0.04964 4.432
        0.6888 0.05080 4.725
        0.7293 0.05151 5.048
        0.7749 0.05269 5.409
        0.8266 0.05504 5.814
        0.8856 0.05896 6.276
        0.9537 0.06542 6.802
        1.033 0.07286 7.412
        1.127 0.08427 8.128
        1.240 0.09799 8.981
        1.305 0.1056 9.472
        1.378 0.1143 10.018
        1.459 0.1256 10.63
        1.550 0.1388 11.31
        1.653 0.1543 12.08
        1.771 0.1735 12.97
        1.907 0.1988 13.98
        2.066 0.2315 15.16
        2.254 0.2724 16.56
        2.480 0.3256 18.23
        2.755 0.3970 20.26
        3.100 0.4960 22.80
        3.542 0.6387 26.05
        4.133 0.8566 30.37
        4.959 1.228 36.37
        6.199 1.851 45.26
        8.266 3.227 59.73
        12.4000 5.079 86.53