# 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: 3.29665964 -0.0153164744 2 0.0497296089 -2 0.00351697046 -4 -0.000219810309 -6 3.92850479e-05 -8 1.6648651e-05 4
  - type: tabulated k
    data: |
        0.370 1.0325E-05
        0.380 3.4456E-06
        0.390 1.4836E-06
        0.400 8.7356E-07
        0.420 4.6545E-07
        0.440 3.1486E-07
        0.460 2.3820E-07
        0.480 1.8388E-07
        0.500 1.3763E-07
        0.550 5.7271E-08
        0.600 3.3540E-08
        0.650 3.6335E-08
        0.700 3.3523E-08
        0.800 3.1911E-08
        0.900 1.4338E-08
        1.000 7.9617E-09
        1.200 9.5541E-09
        1.400 1.1146E-08
        1.600 1.2739E-08
        1.800 1.8743E-07
        2.000 2.8909E-07
        2.200 8.7958E-07
        2.400 1.6132E-06
CONDITIONS:
    temperature: 296
PROPERTIES:
    nd: 1.860740
    Vd: 23.060801
    glass_status: preferred
    density:
      - value: 3810
    thermal_expansion:
      - temperature_range: 243 343
        value: 1.01e-05
    dPgF: 0.0213