# this file is part of refractiveindex.info database
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REFERENCES: |
    I. H. Malitson, as cited in Handbook of Optics, 3rd edition, Vol. 4. McGraw-Hill 2009. Data fit by Handbook of Optics.
COMMENTS: |
    Extraordinary ray (e)
CONDITIONS:
    direction: e
DATA:
  - type: formula 1
    wavelength_range: 0.44 1.08
    coefficients: 0 3.52555 0.17950 0.20660 0.32537