# 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: 2.466622 -0.0076071728 2 0.02016524 -2 0.00028279173 -4 3.0879156e-05 -6 6.6471743e-07 -8
  - type: tabulated k
    data: |
        0.320 5.0067E-06
        0.330 1.6181E-06
        0.340 6.3778E-07
        0.350 2.7494E-07
        0.360 1.3791E-07
        0.370 8.0591E-08
        0.380 6.1092E-08
        0.390 3.4328E-08
        0.400 1.9156E-08
        0.420 1.3396E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        0.480 1.1476E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.1152E-08
        0.800 1.2745E-08
        0.900 1.4338E-08
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 25.0 °C
    coefficients_of_thermal_dispersion: 1.581e-06 0.0 0.0 0.0 0.0 0.0
    n_d: 1.589206
    V_d: 41.079210
    glass_code: 589411
    glass_status: preferred
    density: 3.3 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 9.1e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 1e-05 K<sup>-1</sup>
    ΔP_gF: -0.0005
    acid_resistance: 1.0
    phosphate_resistance: 1.0
