# 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. Moutzouris, I. Stavrakas, D. Triantis, M. Enculescub.
    Temperature-dependent refractive index of potassium acid phthalate (KAP) in the visible and near-infrared.
    <a href="https://doi.org/10.1016/j.optmat.2010.12.021"><i>Opt. Mater.</i> <b>33</b>, 812-816 (2011)</a>
COMMENTS: |
    n<sub>α</sub>; 24.5 °C (see the original publication for temperature-dependent dispersion formula).
CONDITIONS:
    temperature: 277.65
    direction: alpha
DATA:
  - type: formula 4
    wavelength_range: 0.450 1.551
    coefficients: 2.663434655 0.037318762 0 0.175493731 2 0 0 0 1 -0.013296131 2