# 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: |
    <a href="https://refractiveindex.info/download/data/2017/nikon_2017-11.agf">NIKON Zemax catalog 2017-11</a> (obtained from <a href="http://www.nikon.com/products/glass/lineup/materials/optical/">http://www.nikon.com</a>)<br>See also <a href="https://refractiveindex.info/download/data/2017/hikari_2017-04-01.pdf">HIKARI glass data sheets</a>
COMMENTS: |
    
DATA:
  - type: formula 3
    wavelength_range: 0.4 0.7
    coefficients: 2.259379 0.009090504 2 0.02633942 -2 -0.003777418 -4 0.0005228702 -6 -2.629182e-05 -8
  - type: tabulated k
    data: |
        0.290 3.1992E-06
        0.300 3.3095E-06
        0.310 1.3438E-06
        0.320 6.0026E-07
        0.330 2.7668E-07
        0.340 1.4734E-07
        0.350 8.1965E-08
        0.360 4.6207E-08
        0.370 2.9592E-08
        0.380 3.0392E-08
        0.390 9.3246E-09
        0.400 3.1847E-09
        0.420 3.3439E-09
        0.440 7.0098E-09
        0.460 3.6624E-09
        0.480 3.8216E-09
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 -0.0000E+00
CONDITIONS:
    temperature: 293
PROPERTIES:
    nd: 1.522490
    Vd: 59.731237
    glass_code: 522597
    glass_status: preferred
    density:
      - value: 2610
    thermal_expansion:
      - temperature_range: 243 343
        value: 1.02e-05
    dPgF: 0.0026