# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: |
    J. V. Martonchik and G. S. Orton.
    Optical constants of liquid and solid methane.
    <a href="https://doi.org/10.1364/AO.33.008306"><i>Appl. Opt.</i> <b>33</b>, 8306-8317 (1994)</a>
COMMENTS: |
    Phase I solid methane at 90 K (-183.15 °C, melting point)<br>CAUTION: don't rely on interpolated values: Most data points represent values at local maxima or minima
DATA:
  - type: tabulated nk
    data: |
        0.0020 0.971 0.000E+0
        0.0114 0.993 2.607E-3
        0.0545 0.842 2.332E-1
        0.0900 1.228 7.096E-1
        0.0987 1.491 5.681E-1
        0.1012 1.486 5.203E-1
        0.1087 1.554 4.104E-1
        0.1162 1.515 3.518E-1
        0.1200 1.530 3.632E-1
        0.1337 1.767 1.981E-1
        0.4000 1.326 0.000E+0
        1.000 1.313 0.000E+0
        1.138 1.313 1.900E-5
        1.165 1.313 4.577E-5
        1.336 1.312 5.023E-5
        1.371 1.312 1.828E-5
        1.385 1.312 9.073E-6
        1.402 1.312 3.642E-5
        1.412 1.312 2.368E-5
        1.669 1.311 4.737E-4
        1.724 1.311 2.446E-4
        1.785 1.311 8.213E-5
        1.796 1.311 1.807E-4
        2.317 1.307 3.453E-3
        2.324 1.310 6.189E-3
        2.329 1.314 3.096E-3
        2.377 1.306 5.058E-3
        2.379 1.312 9.199E-3
        2.381 1.316 5.547E-3
        3.315 1.190 1.312E-1
        3.322 1.339 2.564E-1
        3.330 1.451 1.107E-1
        3.534 1.318 2.877E-3
        3.546 1.319 4.574E-3
        3.565 1.321 2.570E-3
        7.675 0.810 4.585E-1
        7.692 1.265 9.598E-1
        7.710 1.845 5.199E-1
        36.36 1.316 7.624E-4
        62.50 1.317 2.636E-3
        100.00 1.318 2.387E-3
CONDITIONS:
    temperature: 90