# 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: 0.365015 2.32542
    coefficients: 0 1.91082318 0.0103565352 0.239854589 0.0413805081 1.16159733 96.60373
  - type: tabulated k
    data: |
        0.340 5.5201E-06
        0.350 2.1628E-06
        0.360 9.0158E-07
        0.370 4.4408E-07
        0.380 2.3248E-07
        0.390 1.4615E-07
        0.400 1.0024E-07
        0.420 6.0709E-08
        0.440 4.2271E-08
        0.460 2.9402E-08
        0.480 1.9146E-08
        0.500 1.1955E-08
        0.550 4.3790E-09
        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 3.3473E-08
        1.600 5.1032E-08
        1.800 1.5844E-07
        2.000 5.3407E-07
        2.200 1.3838E-06
        2.400 5.4943E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.08e-05 1.21e-08 -1.6e-11 8.62e-07 8.63e-10 0.222
    nd: 1.799520
    Vd: 42.239506
    density:
      - value: 4470
    thermal_expansion:
      - temperature_range: 243 343
        value: 6e-06
    dPgF: -0.0056
    resistance:
        climatic: 2.0
        acid: 52.2
        phosphate: 2.0