# 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: 2.595129 -0.01330175 2 0.01295053 -2 0.000946977 -4 -9.281618e-05 -6 5.074742e-06 -8
  - type: tabulated k
    data: |
        0.290 1.0628E-05
        0.300 6.0297E-06
        0.310 3.4199E-06
        0.320 1.9774E-06
        0.330 1.1313E-06
        0.340 6.3778E-07
        0.350 3.5604E-07
        0.360 2.3265E-07
        0.370 1.3557E-07
        0.380 8.5878E-08
        0.390 5.6372E-08
        0.400 3.5208E-08
        0.420 2.0114E-08
        0.440 1.4034E-08
        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: 1.622990
    Vd: 58.225167
    glass_code: 623582
    glass_status: preferred
    density:
      - value: 3660
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.1e-06
    dPgF: -0.0018