# this file is part of refractiveindex.info database
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REFERENCES: |
    O. Medenbach, D. Dettmar, R. D. Shannon, R. X. Fischer, W. M. Yen.
    Refractive index and optical dispersion of rare earth oxides using a small-prism technique.
    <a href="https://doi.org/10.1088/1464-4258/3/3/303"><i>J. Opt. A: Pure Appl. Opt.</i> <b>3</b>, 174-177, 2001</a>
DATA:
  - type: formula 2
    wavelength_range: 0.435 0.644
    coefficients: 0 2.7375 0.019984