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REFERENCES: |
    A. Börzsönyi, Z. Heiner, M. P. Kalashnikov, A. P. Kovács, K. Osvay.
    Dispersion measurement of inert gases and gas mixtures at 800 nm.
    <a href="https://doi.org/10.1364/AO.47.004856"><i>Appl. Opt.</i> <b>47</b>, 4856-4863 (2008)</a>
COMMENTS: |
    273 K (0 °C), 1000 mbar.<br>Dispersion formula may be usable down to ~0.2 µm.
DATA:
  - type: formula 2
    wavelength_range: 0.4 1.0
    coefficients: 0 20332.29e-8 206.12e-6 34458.31e-8 8.066e-3
CONDITIONS:
    temperature: 273
    pressure: 100000