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REFERENCES: |
    K. Kato, V. Petrov, N. Umemura.
    Phase-matching properties of yellow color HgGa<sub>2</sub>S<sub>4</sub> for SHG and SFG in the 0.944-10.5910 μm range.
    <a href="https://doi.org/10.1364/AO.55.003145"><i>Appl. Opt.</i> <b>55</b>, 3145-3148 (2016)</a>
COMMENTS: |
    Room temperature. Extraordinary ray (e).
CONDITIONS:
    direction: e
DATA:
  - type: formula 4
    wavelength_range: 0.6328 10.5910
    coefficients: 7.27453 0.20413 0 0.10074 1 1098.54 0 719.62 1