# 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 
    range: 0.4 0.7
    coefficients: 3.097921 -0.01112466 2 0.0388245 -2 0.001949184 -4 -6.840198e-05 -6 1.330305e-05 -8
  - type: tabulated k
    data: |
        0.360 1.1207E-05
        0.370 4.3273E-06
        0.380 1.7533E-06
        0.390 8.1115E-07
        0.400 4.0691E-07
        0.420 1.3644E-07
        0.440 6.0036E-08
        0.460 2.9402E-08
        0.480 7.6471E-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
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    n_d: 1.795040
    V_d: 28.565137
    glass_code: 795286
    glass_status: preferred
    density: 4.97 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 7.5e-06 K<sup>-1</sup>
    ΔP_gF: 0.0036
