# 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/ohara_2017-11-30.agf\">OHARA Zemax catalog 2017-11-30</a> (obtained from <a href=\"http://www.ohara-inc.co.jp/en/product/optical/list/\">http://www.ohara-inc.co.jp</a>)<br>See also <a href=\"http://refractiveindex.info/download/data/2017/ohara_2017-11-30.pdf\">OHARA glass data sheets</a>"
COMMENTS: ""
DATA:
  - type: formula 3 
    range: 0.365 0.9
    coefficients: 2.264123 -0.008475121 2 0.01223501 -2 0.0001944071 -4 3.353212e-07 -6 3.831994e-07 -8
  - type: tabulated k
    data: |
        0.340 1.7895E-07
        0.350 8.7708E-08
        0.360 4.6207E-08
        0.370 3.2567E-08
        0.380 3.6507E-08
        0.390 1.8677E-08
        0.400 1.2758E-08
        0.420 1.6753E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.800 1.9127E-08
        0.900 2.1877E-08
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 25.0 °C
    coefficients_of_thermal_dispersion: 3.4466e-06 0.0 0.0 0.0 0.0 0.0
    n_d: 1.516016
    V_d: 56.800755
    glass_code: 516568
    glass_status: preferred
    density: 2.59 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 7.6e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 9e-06 K<sup>-1</sup>
    ΔP_gF: -0.0033
