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REFERENCES: |
    1) S. Umegaki, S.-I. Tanaka, T. Uchiyama, S. Yabumoto.
    Refractive indices of lithium iodate between 0.4 and 2.2 μ.
    <a href="https://doi.org/10.1016/0030-4018(71)90013-7"><i>Opt. Commun.</i> <b>3</b>, 244-245 (1971)</a><br>
    2) V. I. Kabelka, A. S. Piskarskas, A. Y. Stabinis, R. L. Sher.
    Group matching of interacting light pulses in nonlinear crystals.
    <a href="https://doi.org/10.1070/QE1975v005n02ABEH010943"><i>Sov. J. Quant. Electron.</i> <b>5</b>, 255-256 (1975)</a><br>
    3) K. Kato.
    High-power difference-frequency generation at 4.4-5.7 µm in LiIO<sub>3</sub>.
    <a href="https://doi.org/10.1109/JQE.1985.1072617"><i>IEEE. J. Quant. Electron.</i> <b>21</b>, 119-120 (1985)</a><br>
    * Reference 2 presented a dispersion formula based on tabulated data from Reference 1. The formula was further refined and its accuracy was confirmed in Reference 3, which extended the range of validity.
COMMENTS: |
    Room temperature. Extraordinary ray (e).
CONDITIONS:
    direction: e
DATA:
  - type: formula 4
    wavelength_range: 0.4 5.7
    coefficients: 2.918692 0.035145 0 0.028224 1 0 0 0 0 -0.003641 2