# 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: 2.2498663 -0.010009969 2 0.010686269 -2 0.00098510593 -4 -0.00010138667 -6 7.0446543e-06 -8
  - type: tabulated k
    data: |
        0.350 1.2826E-05
        0.360 4.6107E-06
        0.370 1.7603E-06
        0.380 7.5133E-07
        0.390 3.0979E-07
        0.400 1.5992E-07
        0.420 7.4350E-08
        0.440 5.2919E-08
        0.460 3.6790E-08
        0.480 3.0681E-08
        0.500 2.3945E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.6736E-08
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 25.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: -5.081e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.511179
    Vd: 51.020607
    glass_code: 511510
    glass_status: preferred
    density: 2.5 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 9e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 1e-05 K<sup>-1</sup>
    dPgF: 0.0058
    acid_resistance: 1.0
    phosphate_resistance: 1.0
