# 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: 0.3 2.4
    coefficients: 2.802774 -0.011441428 2 0.023830231 -2 0.00057322688 -4 1.1516047e-05 -6 1.2065896e-06 -8
  - type: tabulated k
    data: |
        0.330 6.3234E-06
        0.340 2.9189E-06
        0.350 1.4696E-06
        0.360 7.4875E-07
        0.370 4.1004E-07
        0.380 2.3902E-07
        0.390 1.4940E-07
        0.400 1.0352E-07
        0.420 7.0935E-08
        0.440 6.0036E-08
        0.460 4.7899E-08
        0.480 3.8389E-08
        0.500 2.7950E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.1152E-08
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 25.0 °C
    coefficients_of_thermal_dispersion: 8.228e-06 0.0 0.0 0.0 0.0 0.0
    n_d: 1.695000
    V_d: 42.167111
    glass_code: 695422
    glass_status: preferred
    density: 3.3 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 6.6e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 8.1e-06 K<sup>-1</sup>
    ΔP_gF: -0.0039
    acid_resistance: 1.0
    phosphate_resistance: 1.0
