# 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: |
    F. Peter.
    Über Brechungsindizes und Absorptionskonstanten des Diamanten zwischen 644 und 226 mμ.
    <a href="https://doi.org/10.1007/BF01330487"><i>Zeitschrift für Physik</i> <b>15</b>, 358-368 (1923)</a>
COMMENTS: |
    Cubic carbon (diamond). Room temperature; no temperature effect on refractive index was observed in the temperature interval 10 - 30 °C
DATA:
  - type: formula 1
    wavelength_range: 0.226 0.760
    coefficients: 0 0.3306 0.1750 4.3356 0.1060