# 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: 0.388865 2.05809
    coefficients: 3.11637039 -0.0140103252 2 0.0455295459 -2 0.00379129507 -4 -0.000576203793 -6 0.000153793977 -8 -1.65780029e-05 -10 8.814805e-07 -12
  - type: tabulated k
    data: |
        0.370 1.3559E-05
        0.380 4.7193E-06
        0.390 1.8554E-06
        0.400 9.1572E-07
        0.420 3.8949E-07
        0.440 2.3158E-07
        0.460 1.7238E-07
        0.480 1.3609E-07
        0.500 1.0482E-07
        0.550 5.7271E-08
        0.600 4.3166E-08
        0.650 5.7213E-08
        0.700 5.5985E-08
        0.800 7.0416E-08
        0.900 4.3101E-08
        1.000 5.5900E-08
        1.200 3.8274E-08
        1.400 3.3473E-08
        1.600 1.4083E-07
        1.800 3.7735E-07
        2.000 5.5054E-07
        2.200 1.1019E-06
        2.400 1.8432E-06
CONDITIONS:
    temperature: 296
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.0375e-05 6.4139e-09 -1.6733e-12 1.0398e-06 1.4408e-09 0.30553
    nd: 1.808090
    Vd: 22.738831
    density:
      - value: 3310
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.1e-06
    dPgF: 0.0226
    resistance:
        phosphate: 1.0