# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: "R. E. Stephens and I. H. Malitson. Index of refraction of magnesium oxide, <a href=\"https://doi.org/10.6028/jres.049.025 \"><i>J. Res. Natl. Bur. Stand.</i> <b>49</b> 249-252 (1952)</a>"
COMMENTS: "30 °C. This formula gives more accurate values for visible than the other formula describing the entire transmission range."
DATA:
  - type: formula 4
    range: 0.4047 0.7679
    coefficients: 2.957019 0.0216485 0 0.0158650 1 0 0 0 1 -0.0101373 2
