# 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="https://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="https://refractiveindex.info/download/data/2017/ohara_2017-11-30.pdf">OHARA glass data sheets</a>
COMMENTS: |
    Recommended
DATA:
  - type: formula 2
    wavelength_range: 0.365 2.325
    coefficients: 0 2.10440311 0.0108531811 0.358346161 0.044340592 1.63010064 123.2498
  - type: tabulated k
    data: |
        0.350 7.0347E-06
        0.360 3.6468E-06
        0.370 1.9254E-06
        0.380 1.1221E-06
        0.390 6.9253E-07
        0.400 4.4328E-07
        0.420 2.2106E-07
        0.440 1.3565E-07
        0.460 8.8925E-08
        0.480 6.1610E-08
        0.500 3.9989E-08
        0.550 1.3150E-08
        0.600 9.5589E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.800 6.3694E-09
        0.900 7.1656E-09
        1.000 7.9617E-09
        1.200 9.5541E-09
        1.400 2.2304E-08
        1.600 3.8255E-08
        1.800 1.1505E-07
        2.000 3.7033E-07
        2.200 9.7186E-07
        2.400 3.7901E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.15e-06 9.26e-09 8.39e-14 8.47e-07 8.87e-10 0.242
    nd: 1.891899
    Vd: 37.134024
    density:
      - value: 4870
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.5e-06
    dPgF: -0.0034
    resistance:
        climatic: 2.0
        acid: 4.0
        phosphate: 1.0