# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: |
    T. Amotchkina, M. Trubetskov, D. Hahner, V. Pervak.
    Characterization of e-beam evaporated Ge, YbF<sub>3</sub>, ZnS, and LaF<sub>3</sub> thin films for laser-oriented coatings.
    <a href="https://doi.org/10.1364/AO.59.000A40"><i>Appl. Opt.</i> <b>59</b>, A40-A47 (2020)</a>
    (Data kindly provided by Tatiana Amotchkina
    [<a href="https://refractiveindex.info/download/data/2020/Amotchkina/LaF3_nk.xlsx">data</a>]
    [<a href="https://refractiveindex.info/download/data/2020/Amotchkina/Summary_for_RefractiveIndexINFO.pdf">description</a>])
COMMENTS: |
    1.368 µm LaF<sub>3</sub> film deposited on 1 mm thick ZnSe substratee by e-beam evaporation at 120 °C substrate temperature.
DATA:
  - type: formula 2
    wavelength_range: 0.4 12
    coefficients: -0.812958 2.030974 0.01057737 0.024492 -0.851254 4.544580 1149.999773
  - type: tabulated k
    data: |
        9.49308 0.00E+00
        9.50308 3.92E-04
        9.51309 3.72E-04
        9.52309 3.52E-04
        9.53309 3.33E-04
        9.54310 3.13E-04
        9.55310 2.93E-04
        9.56310 2.74E-04
        9.57311 2.54E-04
        9.58311 2.34E-04
        9.59311 2.33E-04
        9.60312 2.37E-04
        9.61312 2.42E-04
        9.62312 2.46E-04
        9.63313 2.51E-04
        9.64313 2.55E-04
        9.65313 2.60E-04
        9.66314 2.64E-04
        9.67314 2.69E-04
        9.68314 2.73E-04
        9.69315 2.78E-04
        9.70315 2.82E-04
        9.71315 2.87E-04
        9.72316 2.91E-04
        9.73316 2.96E-04
        9.74316 3.00E-04
        9.75317 3.05E-04
        9.76317 3.10E-04
        9.77317 3.23E-04
        9.78318 3.51E-04
        9.79318 3.79E-04
        9.80318 4.07E-04
        9.81319 4.35E-04
        9.82319 4.62E-04
        9.83319 4.90E-04
        9.84320 5.18E-04
        9.85320 5.46E-04
        9.86320 5.74E-04
        9.87321 6.02E-04
        9.88321 6.30E-04
        9.89321 6.58E-04
        9.90322 6.86E-04
        9.91322 7.14E-04
        9.92323 7.42E-04
        9.93323 7.69E-04
        9.94323 7.97E-04
        9.95324 8.25E-04
        9.96324 8.66E-04
        9.97324 9.07E-04
        9.98325 9.48E-04
        9.99325 9.88E-04
        10.0033 1.03E-03
        10.0133 1.07E-03
        10.0233 1.11E-03
        10.0333 1.15E-03
        10.0433 1.19E-03
        10.0533 1.23E-03
        10.0633 1.27E-03
        10.0733 1.31E-03
        10.0833 1.35E-03
        10.0933 1.40E-03
        10.1033 1.44E-03
        10.1133 1.48E-03
        10.1233 1.52E-03
        10.1333 1.56E-03
        10.1433 1.61E-03
        10.1533 1.68E-03
        10.1633 1.74E-03
        10.1733 1.80E-03
        10.1833 1.87E-03
        10.1933 1.93E-03
        10.2033 1.99E-03
        10.2133 2.06E-03
        10.2233 2.12E-03
        10.2333 2.18E-03
        10.2433 2.25E-03
        10.2533 2.31E-03
        10.2633 2.37E-03
        10.2733 2.44E-03
        10.2833 2.50E-03
        10.2934 2.57E-03
        10.3034 2.63E-03
        10.3134 2.69E-03
        10.3234 2.76E-03
        10.3334 2.85E-03
        10.3434 2.94E-03
        10.3534 3.03E-03
        10.3634 3.12E-03
        10.3734 3.21E-03
        10.3834 3.31E-03
        10.3934 3.40E-03
        10.4034 3.49E-03
        10.4134 3.58E-03
        10.4234 3.67E-03
        10.4334 3.76E-03
        10.4434 3.85E-03
        10.4534 3.94E-03
        10.4634 4.03E-03
        10.4734 4.12E-03
        10.4834 4.21E-03
        10.4934 4.30E-03
        10.5034 4.39E-03
        10.5134 4.50E-03
        10.5234 4.62E-03
        10.5334 4.74E-03
        10.5434 4.85E-03
        10.5534 4.97E-03
        10.5634 5.09E-03
        10.5734 5.20E-03
        10.5834 5.32E-03
        10.5935 5.44E-03
        10.6035 5.55E-03
        10.6135 5.67E-03
        10.6235 5.79E-03
        10.6335 5.90E-03
        10.6435 6.02E-03
        10.6535 6.13E-03
        10.6635 6.25E-03
        10.6735 6.37E-03
        10.6835 6.48E-03
        10.6935 6.61E-03
        10.7035 6.75E-03
        10.7135 6.89E-03
        10.7235 7.03E-03
        10.7335 7.17E-03
        10.7435 7.31E-03
        10.7535 7.45E-03
        10.7635 7.59E-03
        10.7735 7.73E-03
        10.7835 7.87E-03
        10.7935 8.01E-03
        10.8035 8.15E-03
        10.8135 8.29E-03
        10.8235 8.43E-03
        10.8335 8.57E-03
        10.8435 8.71E-03
        10.8535 8.84E-03
        10.8635 8.98E-03
        10.8735 9.13E-03
        10.8836 9.28E-03
        10.8936 9.44E-03
        10.9036 9.59E-03
        10.9136 9.75E-03
        10.9236 9.90E-03
        10.9336 1.01E-02
        10.9436 1.02E-02
        10.9536 1.04E-02
        10.9636 1.05E-02
        10.9736 1.07E-02
        10.9836 1.08E-02
        10.9936 1.10E-02
        11.0036 1.11E-02
        11.0136 1.13E-02
        11.0236 1.15E-02
        11.0336 1.16E-02
        11.0436 1.18E-02
        11.0536 1.19E-02
        11.0636 1.21E-02
        11.0736 1.23E-02
        11.0836 1.24E-02
        11.0936 1.26E-02
        11.1036 1.28E-02
        11.1136 1.30E-02
        11.1236 1.31E-02
        11.1336 1.33E-02
        11.1436 1.35E-02
        11.1536 1.36E-02
        11.1636 1.38E-02
        11.1736 1.40E-02
        11.1837 1.42E-02
        11.1937 1.43E-02
        11.2037 1.45E-02
        11.2137 1.47E-02
        11.2237 1.49E-02
        11.2337 1.50E-02
        11.2437 1.52E-02
        11.2537 1.54E-02
        11.2637 1.56E-02
        11.2737 1.57E-02
        11.2837 1.59E-02
        11.2937 1.61E-02
        11.3037 1.63E-02
        11.3137 1.65E-02
        11.3237 1.66E-02
        11.3337 1.68E-02
        11.3437 1.70E-02
        11.3537 1.72E-02
        11.3637 1.73E-02
        11.3737 1.75E-02
        11.3837 1.77E-02
        11.3937 1.79E-02
        11.4037 1.81E-02
        11.4137 1.82E-02
        11.4237 1.84E-02
        11.4337 1.86E-02
        11.4437 1.88E-02
        11.4537 1.89E-02
        11.4637 1.91E-02
        11.4738 1.93E-02
        11.4838 1.95E-02
        11.4938 1.96E-02
        11.5038 1.98E-02
        11.5138 2.00E-02
        11.5238 2.02E-02
        11.5338 2.03E-02
        11.5438 2.05E-02
        11.5538 2.07E-02
        11.5638 2.08E-02
        11.5738 2.10E-02
        11.5838 2.12E-02
        11.5938 2.14E-02
        11.6038 2.15E-02
        11.6138 2.17E-02
        11.6238 2.19E-02
        11.6338 2.20E-02
        11.6438 2.22E-02
        11.6538 2.24E-02
        11.6638 2.26E-02
        11.6738 2.27E-02
        11.6838 2.29E-02
        11.6938 2.31E-02
        11.7038 2.32E-02
        11.7138 2.34E-02
        11.7238 2.36E-02
        11.7338 2.37E-02
        11.7438 2.39E-02
        11.7538 2.41E-02
        11.7638 2.43E-02
        11.7739 2.44E-02
        11.7839 2.46E-02
        11.7939 2.48E-02
        11.8039 2.49E-02
        11.8139 2.51E-02
        11.8239 2.53E-02
        11.8339 2.55E-02
        11.8439 2.56E-02
        11.8539 2.58E-02
        11.8639 2.60E-02
        11.8739 2.61E-02
        11.8839 2.63E-02
        11.8939 2.65E-02
        11.9039 2.67E-02
        11.9139 2.68E-02
        11.9239 2.70E-02
        11.9339 2.72E-02
        11.9439 2.73E-02
        11.9539 2.75E-02
        11.9639 2.77E-02
        11.9739 2.79E-02
CONDITIONS:
    substrate: ZnSe
    film_thickness: 1.368e-6