# 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: 2.592001 -0.01540969 2 0.0102268 -2 0.001581559 -4 -0.0001877149 -6 1.012515e-05 -8
  - type: tabulated k
    data: |
        0.290 8.0922E-06
        0.300 5.0618E-06
        0.310 2.9701E-06
        0.320 1.7651E-06
        0.330 1.0517E-06
        0.340 6.3778E-07
        0.350 3.5604E-07
        0.360 2.4199E-07
        0.370 1.5103E-07
        0.380 9.8348E-08
        0.390 6.9040E-08
        0.400 5.1341E-08
        0.420 3.3591E-08
        0.440 2.4596E-08
        0.460 1.8349E-08
        0.480 1.1476E-08
        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: 1.620409
    Vd: 60.280874
    glass_code: 620603
    glass_status: preferred
    density:
      - value: 3600
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.7e-06
    dPgF: -0.002