# 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: 0.32 2.4
    coefficients: 0 1.04574577 0.0058523228 0.239613026 0.0236858752 1.1590685 131.329061
  - type: tabulated k
    data: |
        0.320 8.1968E-06
        0.330 2.9922E-06
        0.340 1.0835E-06
        0.350 4.2007E-07
        0.360 1.7421E-07
        0.370 8.3618E-08
        0.380 4.8774E-08
        0.390 2.4928E-08
        0.400 1.5955E-08
        0.420 1.3396E-08
        0.440 1.4034E-08
        0.460 1.4672E-08
        0.480 1.1476E-08
        0.500 7.9657E-09
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 1.5541E-08
        0.700 1.1152E-08
        0.800 1.2745E-08
        0.900 1.4338E-08
        1.000 1.5931E-08
        1.200 2.8691E-08
        1.400 1.3450E-07
        1.600 1.0227E-07
        1.800 4.0679E-07
        2.000 1.0017E-06
        2.200 2.6405E-06
        2.400 4.0245E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.14e-06 1.21e-08 -4.3e-11 3.41e-07 5.9e-10 0.272
    nd: 1.522494
    Vd: 59.835417
    glass_code: 522598
    density:
      - value: 2490
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.2e-06
      - temperature_range: 293 573
        value: 9.5e-06
    dPgF: -0.0007
    resistance:
        climatic: 1.0
        acid: 1.0
        phosphate: 1.0