# 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: 2.87968193 -0.0123038115 2 0.033443025 -2 0.00183471163 -4 -8.12508073e-05 -6 1.59440837e-05 -8
  - type: tabulated k
    data: |
        0.370 6.4990E-06
        0.380 2.4826E-06
        0.390 1.1069E-06
        0.400 5.5498E-07
        0.420 1.9970E-07
        0.440 8.5059E-08
        0.460 4.0489E-08
        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 5.5732E-09
        0.800 6.3694E-09
        0.900 7.1656E-09
        1.000 7.9617E-09
        1.200 9.5541E-09
        1.400 1.1146E-08
        1.600 1.2739E-08
        1.800 1.4396E-07
        2.000 2.7289E-07
        2.200 9.9038E-07
        2.400 1.8222E-06
CONDITIONS:
    temperature: 296
PROPERTIES:
    nd: 1.728250
    Vd: 28.459666
    glass_code: 728285
    glass_status: preferred
    density:
      - value: 3070
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.6e-06
    dPgF: 0.011