# 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. G. Mathewson and H. P. Myers.
    Absolute values of the optical constants of some pure metals.
    <a href="https://doi.org/10.1088/0031-8949/4/6/009"><i>Phys. Scr.</i> <b>4</b>, 291-292 (1971)</a>
COMMENTS: |
    140 K (-133.15 °C)
DATA:
  - type: tabulated nk
    data: |
        0.34440 0.40053 3.37052
        0.34925 0.40813 3.43024
        0.35424 0.41901 3.46057
        0.35937 0.42460 3.53274
        0.36466 0.43344 3.57601
        0.37010 0.45404 3.63403
        0.37571 0.45911 3.70281
        0.38149 0.47886 3.75890
        0.38745 0.48524 3.81254
        0.39360 0.50261 3.87977
        0.39995 0.52118 3.93340
        0.40651 0.53768 3.99864
        0.41328 0.55712 4.03861
        0.42029 0.57286 4.10222
        0.42753 0.58826 4.16486
        0.43503 0.60332 4.22658
        0.44280 0.62950 4.28909
        0.45085 0.64675 4.40662
        0.45920 0.67164 4.46667
        0.46786 0.69598 4.52597
        0.47686 0.71159 4.63750
        0.48621 0.74526 4.69632
        0.49594 0.76995 4.80550
        0.50606 0.80207 4.86244
        0.51660 0.82528 4.96801
        0.52759 0.85748 5.07299
        0.53906 0.88874 5.17589
        0.55104 0.94574 5.23397
        0.56356 0.98396 5.33556
        0.57667 1.03048 5.48287
        0.59040 1.04899 5.57677
        0.60480 1.07617 5.71473
        0.61992 1.11053 5.80804
        0.63582 1.14436 5.94218
        0.65255 1.18520 6.07492
        0.67018 1.22497 6.24504
        0.68880 1.29360 6.37757
        0.70848 1.36695 6.54741
        0.72932 1.46593 6.71930
        0.75142 1.62279 6.90170
        0.77490 1.84055 7.06312
        0.79990 2.06691 7.16045
        0.82656 2.21691 7.23980
        0.85506 2.31370 7.30433
        0.88560 2.37804 7.35901
        0.91840 2.39133 7.46448
        0.95372 2.35923 7.58722
        0.99187 2.26983 7.81998
        1.03320 2.19247 8.05028
        1.07812 2.11590 8.36523
        1.12713 2.06136 8.73208
        1.18080 2.06052 9.12391
        1.23984 2.06226 9.55264
        1.30510 2.07166 10.06438
        1.37760 2.08519 10.64650
        1.45864 2.11576 11.20163
        1.54980 2.12758 11.93845
        1.65312 2.24710 12.57177
        1.77120 2.32494 13.50575
CONDITIONS:
    temperature: 140