# 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: "23.3 °C. Formula for entire transmission range; use the other formula for  more accurate index values in the visible."
DATA:
  - type: formula 4
    wavelength_range: 0.36 5.4
    coefficients: 2.956362 0.02195770 0 0.01428322 1 0 0 0 1 -0.01062387 2 -0.0000204968 4
