# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: |
    1) J. Zhang, Z. H. Lu, L. J. Wang.
    Precision refractive index measurements of air, N<sub>2</sub>, O<sub>2</sub>, Ar, and CO<sub>2</sub> with a frequency comb.
    <a href="https://doi.org/10.1364/AO.47.003143"><i>Appl. Opt.</i> <b>47</b>, 3143-3151 (2008)</a><br>
    2) P. Křen.
    Comment on "Precision refractive index measurements of air, N<sub>2</sub>, O<sub>2</sub>, Ar, and CO<sub>2</sub> with a frequency comb".
    <a href="https://doi.org/10.1364/AO.50.006484"><i>Appl. Opt.</i> <b>50</b>, 6484-6485 (2011)</a>
COMMENTS: |
    Standard conditions: 20 °C, 101 325 Pa.
DATA:
  - type: formula 6
    wavelength_range: 0.4 1.8
    coefficients: 1.181494e-4 9.708931e-3 75.4
CONDITIONS:
    temperature: 293
    pressure: 101325