# 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: 2.319725 0.002602493 2 0.02249807 -2 -0.002672041 -4 0.0003926686 -6 -2.043303e-05 -8
  - type: tabulated k
    data: |
        0.290 6.9134E-06
        0.300 3.0390E-06
        0.310 1.3016E-06
        0.320 5.6823E-07
        0.330 2.4767E-07
        0.340 9.0792E-08
        0.350 2.7992E-08
        0.360 2.5900E-08
        0.370 1.4759E-08
        0.380 1.5158E-08
        0.390 6.2133E-09
        0.400 3.1847E-09
        0.420 3.3439E-09
        0.440 3.5032E-09
        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: 1.539960
    Vd: 59.681919
    glass_code: 540597
    glass_status: preferred
    density:
      - value: 2850
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.7e-06
    dPgF: 0.0021