# 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: 2.684146 -0.01282175 2 0.01520999 -2 0.0005791021 -4 -4.197895e-05 -6 2.32621e-06 -8
  - type: tabulated k
    data: |
        0.290 3.9573E-06
        0.300 2.6467E-06
        0.310 1.8106E-06
        0.320 1.1766E-06
        0.330 7.2069E-07
        0.340 4.3972E-07
        0.350 2.3224E-07
        0.360 1.7726E-07
        0.370 1.2019E-07
        0.380 6.1092E-08
        0.390 6.2700E-08
        0.400 3.1991E-08
        0.420 3.3591E-08
        0.440 3.5190E-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: 1.651599
    Vd: 58.552980
    glass_code: 652586
    glass_status: preferred
    density:
      - value: 3320
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.7e-06
    dPgF: -0.0032