# 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: |
    D. R. Bosomworth.
    Far-infrared optical properties of CaF<sub>2</sub>, SrF<sub>2</sub>, BaF<sub>2</sub>, and CdF<sub>2</sub>.
    <a href="https://doi.org/10.1103/PhysRev.157.709"><i>Phys. Rev.</i>, <b>157</b>, 709 (1967)</a>
COMMENTS: |
    80 K
CONDITIONS:
    temperature: 80
DATA:
  - type: formula 4
    wavelength_range: 46.5 999.9
    coefficients: 0 6.04 2 44.444 2 -4088.9 0 44.444 2
  - type: tabulated k
    data: |
        46.512 5.80E-02
        46.729 4.16E-02
        46.948 3.20E-02
        47.170 3.20E-02
        47.393 3.55E-02
        47.619 3.79E-02
        47.847 3.67E-02
        48.077 3.48E-02
        48.309 3.29E-02
        48.544 3.12E-02
        48.780 2.97E-02
        49.020 2.77E-02
        49.261 2.61E-02
        49.505 2.46E-02
        49.751 2.33E-02
        50.000 2.22E-02
        50.251 2.12E-02
        50.505 2.03E-02
        50.761 1.95E-02
        51.020 1.87E-02
        51.282 1.82E-02
        51.546 1.80E-02
        51.813 1.78E-02
        52.083 1.76E-02
        52.356 1.73E-02
        52.632 1.70E-02
        52.910 1.67E-02
        53.191 1.63E-02
        53.476 1.57E-02
        53.763 1.50E-02
        54.054 1.43E-02
        54.348 1.38E-02
        54.645 1.33E-02
        54.945 1.29E-02
        55.249 1.25E-02
        55.556 1.21E-02
        55.866 1.18E-02
        56.180 1.15E-02
        56.497 1.12E-02
        56.818 1.09E-02
        57.143 1.07E-02
        57.471 1.05E-02
        57.803 1.04E-02
        58.140 1.02E-02
        58.480 1.01E-02
        58.824 1.01E-02
        59.172 1.03E-02
        59.524 1.04E-02
        59.880 1.04E-02
        60.241 1.04E-02
        60.606 1.05E-02
        60.976 1.05E-02
        61.350 1.05E-02
        61.728 1.06E-02
        62.112 1.06E-02
        62.500 1.06E-02
        62.893 1.06E-02
        63.291 1.05E-02
        63.694 1.03E-02
        64.103 1.01E-02
        64.516 9.88E-03
        64.935 9.63E-03
        65.359 9.37E-03
        65.789 9.10E-03
        66.225 8.41E-03
        66.667 8.13E-03
        67.114 7.80E-03
        67.568 7.50E-03
        68.027 7.23E-03
        68.493 6.98E-03
        68.966 6.74E-03
        69.444 6.48E-03
        69.930 6.25E-03
        70.423 6.07E-03
        70.922 5.90E-03
        71.429 5.72E-03
        71.942 5.55E-03
        72.464 5.41E-03
        72.993 5.29E-03
        73.529 5.17E-03
        74.074 5.06E-03
        74.627 4.96E-03
        75.188 4.86E-03
        75.758 4.76E-03
        76.336 4.67E-03
        76.923 4.58E-03
        77.519 4.50E-03
        78.125 4.42E-03
        78.740 4.34E-03
        79.365 4.27E-03
        80.000 4.19E-03
        80.645 4.13E-03
        81.301 4.06E-03
        81.967 4.00E-03
        82.645 3.94E-03
        83.333 3.88E-03
        84.034 3.83E-03
        84.746 3.78E-03
        85.470 3.73E-03
        86.207 3.69E-03
        86.957 3.66E-03
        87.719 3.62E-03
        88.496 3.59E-03
        89.286 3.57E-03
        90.090 3.54E-03
        90.909 3.52E-03
        91.743 3.51E-03
        92.593 3.49E-03
        93.458 3.48E-03
        94.340 3.47E-03
        95.238 3.46E-03
        96.154 3.45E-03
        97.087 3.44E-03
        98.039 3.44E-03
        99.010 3.44E-03
        100.00 3.43E-03
        101.01 3.43E-03
        102.04 3.43E-03
        103.09 3.43E-03
        104.17 3.43E-03
        105.26 3.43E-03
        106.38 3.43E-03
        107.53 3.44E-03
        108.70 3.45E-03
        109.89 3.45E-03
        111.11 3.46E-03
        112.36 3.47E-03
        113.64 3.48E-03
        114.94 3.49E-03
        116.28 3.50E-03
        117.65 3.52E-03
        119.05 3.53E-03
        120.48 3.55E-03
        121.95 3.56E-03
        123.46 3.58E-03
        125.00 3.60E-03
        126.58 3.62E-03
        128.21 3.65E-03
        129.87 3.67E-03
        131.58 3.69E-03
        133.33 3.71E-03
        135.14 3.73E-03
        136.99 3.74E-03
        138.89 3.75E-03
        140.85 3.75E-03
        142.86 3.75E-03
        144.93 3.74E-03
        147.06 3.73E-03
        149.25 3.71E-03
        151.52 3.69E-03
        153.85 3.67E-03
        156.25 3.65E-03
        158.73 3.62E-03
        161.29 3.58E-03
        163.93 3.54E-03
        166.67 3.49E-03
        169.49 3.44E-03
        172.41 3.38E-03
        175.44 3.32E-03
        178.57 3.24E-03
        181.82 3.17E-03
        185.19 3.10E-03
        188.68 3.04E-03
        192.31 2.98E-03
        196.08 2.93E-03
        200.00 2.87E-03
        204.08 2.82E-03
        208.33 2.77E-03
        212.77 2.72E-03
        217.39 2.68E-03
        222.22 2.63E-03
        227.27 2.58E-03
        232.56 2.53E-03
        238.10 2.48E-03
        243.90 2.44E-03
        250.00 2.40E-03
        256.41 2.36E-03
        263.16 2.32E-03
        270.27 2.27E-03
        277.78 2.22E-03
        285.71 2.17E-03
        294.12 2.13E-03
        303.03 2.09E-03
        312.50 2.05E-03
        322.58 2.01E-03
        333.33 1.97E-03
        344.83 1.93E-03
        357.14 1.89E-03
        370.37 1.85E-03
        384.62 1.81E-03
        400.00 1.77E-03
        416.67 1.74E-03
        434.78 1.70E-03
        454.55 1.68E-03
        476.19 1.65E-03
        500.00 1.63E-03
        526.32 1.61E-03
        555.56 1.60E-03
        588.24 1.58E-03
        625.00 1.56E-03
        666.67 1.54E-03
        714.29 1.52E-03
        769.23 1.50E-03
        833.33 1.47E-03
        909.09 1.45E-03
        1000.0 1.42E-03