# 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 
    wavelength_range: 0.3 2.4
    coefficients: 2.3489663 -0.0075869873 2 0.016684762 -2 0.00017147637 -4 2.5194777e-05 -6 1.8523864e-07 -8
  - type: tabulated k
    data: |
        0.310 4.2302E-06
        0.320 1.3008E-06
        0.330 4.8931E-07
        0.340 2.0509E-07
        0.350 9.9229E-08
        0.360 5.2036E-08
        0.370 3.5546E-08
        0.380 3.0392E-08
        0.390 1.5557E-08
        0.400 9.5636E-09
        0.420 1.0042E-08
        0.440 1.4034E-08
        0.460 1.0998E-08
        0.480 7.6471E-09
        0.500 7.9657E-09
        0.550 4.3790E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 1.1152E-08
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 25.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 3.091e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.548141
    Vd: 45.781144
    glass_code: 548458
    glass_status: preferred
    density: 2.93 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 8.4e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 9.7e-06 K<sup>-1</sup>
    dPgF: -0.002
    acid_resistance: 1.0
    phosphate_resistance: 1.0
