# 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 1.04670 3.53491
        0.34925 1.07006 3.59792
        0.35424 1.08921 3.67238
        0.35937 1.12397 3.73675
        0.36466 1.15787 3.80009
        0.37010 1.20277 3.86609
        0.37571 1.24647 3.93112
        0.38149 1.28905 3.99520
        0.38745 1.35278 4.06571
        0.39360 1.42544 4.13907
        0.39995 1.49962 4.20106
        0.40651 1.60651 4.26390
        0.41328 1.72407 4.32116
        0.42029 1.83252 4.36556
        0.42753 1.95095 4.38249
        0.43503 2.07130 4.36924
        0.44280 2.18636 4.34513
        0.45085 2.28794 4.30519
        0.45920 2.35826 4.26162
        0.46786 2.40640 4.21791
        0.47686 2.43219 4.17319
        0.48621 2.42473 4.14479
        0.49594 2.42629 4.12152
        0.50606 3.08465 3.25807
        0.51660 3.10883 3.28098
        0.52759 3.14121 3.32674
        0.53906 3.18114 3.37929
        0.55104 3.25749 3.40753
        0.56356 3.33975 3.42840
        0.57667 3.41323 3.42784
        0.59040 2.83691 4.17708
        0.60480 2.89589 4.10928
        0.61992 2.92983 4.01047
        0.63582 2.89008 3.89263
        0.65255 2.82065 3.77572
        0.67018 2.70821 3.69248
        0.68880 2.49997 3.64004
        0.70848 2.25499 3.65855
        0.72932 2.01941 3.73872
        0.75142 1.81541 3.91097
        0.77490 1.65467 4.13980
        0.79990 1.55455 4.40643
        0.82656 1.48451 4.64799
        0.85506 1.44917 4.79584
        0.88560 1.36769 5.15467
        0.91840 1.31995 5.41685
        0.95372 1.26400 5.65665
        0.99187 1.18324 5.95819
        1.03320 1.07303 6.47699
        1.07812 0.99398 6.94176
        1.12713 0.93074 7.35977
        1.18080 0.89136 7.79708
        1.23984 0.84813 8.25344
        1.30510 0.81387 8.84660
        1.37760 0.80359 9.45758
        1.45864 0.82378 9.89336
        1.54980 0.79790 11.02890
        1.65312 0.83169 11.90343
        1.77120 0.90683 12.68157
CONDITIONS:
    temperature: 140