# this file is part of refractiveindex.info database
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REFERENCES: |
    G. Ghosh.
    Sellmeier coefficients for the birefringence and refractive indices of ZnGeP<sub>2</sub> nonlinear crystal at different temperatures.
    <a href="https://doi.org/10.1364/AO.37.001205"><i>Appl. Opt.</i>, <b>37</b>, 1205-1212 (1998)</a>
COMMENTS: |
    Critical analysis of experimental data from multiple sources.
CONDITIONS:
    temperature: 150
    direction: o
DATA:
  - type: formula 2
    wavelength_range: 0.7 12
    coefficients: 3.52238331 5.10517584 0.12953514 2.16873708 900