# 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: 3.44097798 -0.0140195736 2 0.0351597803 -2 0.000893152796 -4 2.96132309e-06 -6 1.83226713e-06 -8
  - type: tabulated k
    data: |
        0.330 9.2084E-06
        0.340 4.3545E-06
        0.350 2.2240E-06
        0.360 1.2341E-06
        0.370 7.3156E-07
        0.380 4.5608E-07
        0.390 2.9611E-07
        0.400 2.1053E-07
        0.420 1.2948E-07
        0.440 9.5838E-08
        0.460 7.7690E-08
        0.480 6.1610E-08
        0.500 4.8035E-08
        0.550 3.5155E-08
        0.600 4.3166E-08
        0.650 4.6764E-08
        0.700 5.0361E-08
        0.800 4.4720E-08
        0.900 1.4338E-08
        1.000 7.9617E-09
        1.200 9.5541E-09
        1.400 1.1146E-08
        1.600 3.8255E-08
        1.800 1.2950E-07
        2.000 3.5405E-07
        2.200 9.3489E-07
        2.400 4.0245E-06
CONDITIONS:
    temperature: 296
PROPERTIES:
    nd: 1.882997
    Vd: 40.764336
    glass_code: 883408
    glass_status: preferred
    density:
      - value: 5480
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.8e-06
    dPgF: -0.0092