# 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=\"http://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=\"http://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: 2.547175 -0.01287115 2 0.01838384 -2 0.0005862006 -4 -1.624561e-05 -6 2.266107e-06 -8
  - type: tabulated k
    data: |
        0.310 1.1361E-05
        0.320 6.1318E-06
        0.330 3.4384E-06
        0.340 2.1010E-06
        0.350 1.2869E-06
        0.360 7.4875E-07
        0.370 4.4408E-07
        0.380 2.6532E-07
        0.390 1.5919E-07
        0.400 1.0352E-07
        0.420 4.7122E-08
        0.440 2.4596E-08
        0.460 1.4672E-08
        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 5.5732E-09
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    nd: 1.612658
    Vd: 44.404011
    glass_code: 613444
    glass_status: preferred
    density: 1.0 g/cm<sup>3</sup>
    dPgF: -0.008
