# 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. Petrov.
    Refined Sellmeier equations for AgGaSe<sub>2</sub> up to 18 µm.
    <a href="https://doi.org/10.1364/AO.401828"><i>Appl. Opt.</i>, <b>60</b>, 805–808 (2021)</a>
COMMENTS: |
    Ordinary ray (o) 20–22 °C.
CONDITIONS:
    temperature: 294
    direction: o
DATA:
  - type: formula 4
    wavelength_range: 0.81 18
    coefficients: 11.62264 0.43221 0 0.15597 1 18868.52 0 3953.34 1