# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: "V. Tkachenko, G. Abbate, A. Marino, F. Vita, M. Giocondo,  A. Mazzulla, F. Ciuchi,  L. De Stefano. Nematic liquid crystal optical dispersion in the visible-near infrared range, <a href=\"https://doi.org/10.1080/15421400600655816\"><i>Mol. Cryst. Liq. Cryst.</i> <b>454</b>, 263/[665]-271/[673], 2006</a>"
COMMENTS: "Ordinary ray (o)."
DATA:
  - type: formula 5
    wavelength_range: 0.532 1.7
    coefficients: 1.50849 0.00774 -2 0.00040 -4
