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REFERENCES: |
    E. R. Peck and S. Hung.
    Refractivity and dispersion of hydrogen in the visible and near infrared.
    <a href="https://doi.org/10.1364/JOSA.67.001550"><i>J. Opt. Soc. Am.</i> <b>67</b>, 1550-1554 (1977)</a>
COMMENTS: |
    Standard conditions. 0 °C, 760 torr (101.325 kPa).
DATA:
  - type: formula 6
    wavelength_range: 0.1680 1.6945
    coefficients: 0 0.0148956 180.7 0.0049037 92
CONDITIONS:
    temperature: 273.15
    pressure: 101325