# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: |
    K. Kato, K. Miyata, V. V. Badikov, V. Petrov.
    Phase-matching properties of BaGa<sub>2</sub>GeSe<sub>6</sub> for three-wave interactions in the 0.778–10.5910 μm spectral range.
    <a href="https://doi.org/10.1364/AO.57.007440"><i>Appl. Opt.</i>, <b>57</b>, 7440–7443 (2018)</a>
COMMENTS: |
    Extraordinary ray (e); room temperature.
CONDITIONS:
    direction: e
DATA:
  - type: formula 4
    wavelength_range: 0.778 10.6
    coefficients: 8.11658 0.30287 0 0.13199 1 2197.51 0 1408.89 1