# 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: 0.365015 2.05809
    coefficients: 2.27892705 -0.00904327622 2 -0.000110679206 4 0.0101870033 -2 9.31149884e-05 -4 2.7225654e-06 -6 -1.82952398e-08 -8
  - type: tabulated k
    data: |
        0.290 7.4283E-06
        0.300 3.9647E-06
        0.310 2.0820E-06
        0.320 1.0581E-06
        0.330 5.5337E-07
        0.340 2.7307E-07
        0.350 1.4873E-07
        0.360 8.7259E-08
        0.365 7.0560E-08
        0.370 5.6481E-08
        0.380 4.2634E-08
        0.390 2.8058E-08
        0.400 2.8778E-08
        0.420 4.0350E-08
        0.440 6.0036E-08
        0.460 5.9043E-08
        0.480 4.9982E-08
        0.500 3.9989E-08
        0.550 2.1939E-08
        0.600 2.3933E-08
        0.650 4.6764E-08
        0.700 5.5985E-08
        0.800 5.1134E-08
        0.900 2.8705E-08
        1.000 3.9889E-08
        1.200 3.8274E-08
        1.400 8.9485E-08
        1.600 4.8004E-07
        1.800 1.4457E-06
        2.000 2.7749E-06
        2.200 6.2443E-06
        2.400 8.5235E-06
CONDITIONS:
    temperature: 296
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.9674e-06 1.6064e-08 -1.5853e-12 3.5592e-07 2.7773e-10 0.19762
    nd: 1.518600
    Vd: 69.890785
    density:
      - value: 2600
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.3e-06
    dPgF: 0.0047
    resistance:
        phosphate: 3.0