# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: |
    J. Valentine, S. Zhang, T. Zentgraf, E. Ulin-Avila, D. A. Genov, G. Bartal, X. Zhang.
    Three-dimensional optical metamaterial with a negative refractive index.
    <a href="https://doi.org/10.1038/nature07247"><i>Nature</i> <b>455</b>, 376-379 (2008)</a>
    (Data points extracted from a figure)
DATA:
  - type: tabulated n
    data: |
        1.200 0.63
        1.225 0.66
        1.250 0.66
        1.275 0.60
        1.300 0.56
        1.325 0.56
        1.350 0.50
        1.375 0.45
        1.400 0.41
        1.425 0.32
        1.450 0.25
        1.475 0.22
        1.500 0.13
        1.525 0.06
        1.550 -0.04
        1.575 -0.17
        1.600 -0.21
        1.625 -0.34
        1.650 -0.47
        1.675 -0.57
        1.700 -0.63
        1.725 -0.80
        1.750 -1.03
        1.775 -1.24