# 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 0.951239368 0.00513091895 0.313094652 0.0231960516 1.70928507 201.539573
  - type: tabulated k
    data: |
        0.320 1.1727E-05
        0.330 4.2265E-06
        0.340 1.3821E-06
        0.350 4.8561E-07
        0.360 1.8948E-07
        0.370 8.9683E-08
        0.380 4.8774E-08
        0.390 2.8058E-08
        0.400 1.5955E-08
        0.420 1.3396E-08
        0.440 1.4034E-08
        0.460 1.0998E-08
        0.480 1.1476E-08
        0.500 7.9657E-09
        0.550 4.3790E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 1.1152E-08
        0.800 6.3694E-09
        0.900 1.4338E-08
        1.000 1.5931E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    nd: 1.516016
    Vd: 56.858179
    glass_code: 516568
    glass_status: preferred
    density:
      - value: 2470
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.8e-06
      - temperature_range: 293 573
        value: 1.08e-05
    dPgF: -0.0016
    resistance:
        acid: 1.0
        phosphate: 1.0