# 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: 2.426175 -0.00781539 2 0.01476624 -2 0.0003669042 -4 -1.052689e-05 -6 1.039369e-06 -8
  - type: tabulated k
    data: |
        0.350 2.4437E-07
        0.360 1.2891E-07
        0.370 7.1527E-08
        0.380 5.4927E-08
        0.390 4.0610E-08
        0.400 2.2360E-08
        0.420 2.3478E-08
        0.440 2.4596E-08
        0.460 2.2030E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 1.3150E-08
        0.600 1.9137E-08
        0.650 2.5928E-08
        0.700 2.2326E-08
        0.800 2.5516E-08
        0.900 3.5900E-08
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 25.0 °C
    coefficients_of_thermal_dispersion: -3.144e-06 0.0 0.0 0.0 0.0 0.0
    n_d: 1.571351
    V_d: 52.968158
    glass_code: 571530
    glass_status: preferred
    density: 3.14 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 9.7e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 1.18e-05 K<sup>-1</sup>
    ΔP_gF: -0.0007
