# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: |
    Crystran Ltd.
    <a href="https://issuu.com/crystran/docs/handbook_2023_website">
    The Crystran handbook of infra-red and ultra-violet optical materials (5th edition, 2023)
    </a><br>
    See also
    <a href="https://www.crystran.com/optical-materials/calcite-caco3">
    Crystran CaCO<sub>3</sub> online data sheet
    </a>
COMMENTS: |
    Optical data are for extraordinary ray (e).
CONDITIONS:
    direction: e
DATA:
  - type: tabulated n
    data: |
        0.20 1.5765
        0.30 1.5137
        0.41 1.4954
        0.51 1.4896
        0.64 1.4849
        0.71 1.4835
        0.80 1.4822
        0.91 1.4810
        1.04 1.4799
        1.50 1.4774
        1.91 1.4757
        2.10 1.4749