# 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: 3.81220648 -0.0171101271 2 0.0575348609 -2 0.00395166224 -4 -0.000247712063 -6 3.77234212e-05 -8 0.000103512503 4
  - type: tabulated k
    data: |
        0.370 1.3559E-05
        0.380 6.6747E-06
        0.390 3.5363E-06
        0.400 2.0815E-06
        0.420 9.1724E-07
        0.440 4.8761E-07
        0.460 3.2117E-07
        0.480 2.2418E-07
        0.500 1.6657E-07
        0.550 8.3959E-08
        0.600 6.7317E-08
        0.650 6.2446E-08
        0.700 5.0361E-08
        0.800 1.9127E-08
        0.900 4.3101E-08
        1.000 6.3918E-08
        1.200 2.8691E-08
        1.400 1.1146E-08
        1.600 1.1511E-07
        1.800 2.1649E-07
        2.000 3.7033E-07
        2.200 8.4280E-07
        2.400 2.6597E-06
CONDITIONS:
    temperature: 296
PROPERTIES:
    nd: 2.000690
    Vd: 25.454379
    glass_status: preferred
    density:
      - value: 4680
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.1e-06
    dPgF: 0.0131