# 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: 2.424312 -0.00858474 2 0.01472045 -2 0.0005504561 -4 -3.170738e-05 -6 2.420757e-06 -8
  - type: tabulated k
    data: |
        0.350 2.0212E-07
        0.360 1.1396E-07
        0.370 7.4545E-08
        0.380 5.4927E-08
        0.390 4.0610E-08
        0.400 2.8778E-08
        0.420 2.3478E-08
        0.440 2.4596E-08
        0.460 2.5714E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 2.0732E-08
        0.700 1.1152E-08
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 25.0 °C
    coefficients_of_thermal_dispersion: 4.152e-06 0.0 0.0 0.0 0.0 0.0
    n_d: 1.570989
    V_d: 50.797474
    glass_code: 571508
    glass_status: preferred
    density: 3.1 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 1e-05 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 1.16e-05 K<sup>-1</sup>
    ΔP_gF: -0.0007
