# 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: |
    
DATA:
  - type: formula 2
    wavelength_range: 0.3 2.4
    coefficients: 0 1.23494993 0.00862847509 0.169136142 0.0422686058 1.09067013 132.796906
  - type: tabulated k
    data: |
        0.310 7.3902E-06
        0.320 2.3333E-06
        0.330 7.2069E-07
        0.340 2.3444E-07
        0.350 9.6344E-08
        0.360 4.9120E-08
        0.370 2.9592E-08
        0.380 2.4289E-08
        0.390 1.5557E-08
        0.400 1.2758E-08
        0.420 1.0042E-08
        0.440 1.0520E-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 5.5732E-09
        0.800 6.3694E-09
        0.900 1.4338E-08
        1.000 1.5931E-08
        1.200 1.9118E-08
        1.400 4.4653E-08
        1.600 7.6624E-08
        1.800 2.6018E-07
        2.000 6.8289E-07
        2.200 1.4979E-06
        2.400 2.4414E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.677e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.567322
    Vd: 42.831708
    glass_code: 567428
    glass_status: preferred
    density:
      - value: 3100
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.9e-06
      - temperature_range: 293 573
        value: 1.04e-05
    dPgF: -0.0009
    resistance:
        acid: 1.0
        phosphate: 1.0