# 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 -The unique relative partial dispersion.
DATA:
  - type: formula 2
    wavelength_range: 0.365 2.325
    coefficients: 0 0.839067682 0.00795286639 0.214083503 -0.00232581717 1.47914677 340.0437
  - type: tabulated k
    data: |
        0.280 8.7166E-06
        0.290 5.8287E-06
        0.300 3.6147E-06
        0.310 2.0820E-06
        0.320 1.0970E-06
        0.330 5.5337E-07
        0.340 2.6410E-07
        0.350 1.2242E-07
        0.360 6.0801E-08
        0.370 3.2567E-08
        0.380 1.5158E-08
        0.390 1.2439E-08
        0.400 1.2758E-08
        0.420 1.6753E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        0.480 1.1476E-08
        0.500 7.9657E-09
        0.550 4.3790E-09
        0.600 9.5589E-09
        0.650 1.5541E-08
        0.700 1.6736E-08
        0.800 1.9127E-08
        0.900 2.8705E-08
        1.000 3.9889E-08
        1.200 3.8274E-08
        1.400 3.3473E-08
        1.600 3.8255E-08
        1.800 4.3036E-08
        2.000 4.7818E-08
        2.200 7.0169E-08
        2.400 5.7382E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.1e-05 -7.63e-09 1.24e-11 2.82e-07 1.8e-10 0.224
    nd: 1.438750
    Vd: 94.661059
    density:
      - value: 3590
    thermal_expansion:
      - temperature_range: 243 343
        value: 1.36e-05
    dPgF: 0.0457
    resistance:
        climatic: 2.0
        acid: 52.1
        phosphate: 4.1