# 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 1.59255052 0.0119420495 0.218805922 0.0592770292 1.60254262 143.961778
  - type: tabulated k
    data: |
        0.360 1.1207E-05
        0.370 3.3549E-06
        0.380 1.1662E-06
        0.390 5.4111E-07
        0.400 3.1071E-07
        0.420 1.6441E-07
        0.440 1.1750E-07
        0.460 9.2677E-08
        0.480 7.7169E-08
        0.500 6.0135E-08
        0.550 3.0745E-08
        0.600 2.8734E-08
        0.650 4.1547E-08
        0.700 3.3523E-08
        0.800 1.2745E-08
        0.900 1.4338E-08
        1.000 1.5931E-08
        1.200 1.9118E-08
        1.400 5.5844E-08
        1.600 7.6624E-08
        1.800 2.0195E-07
        2.000 3.5405E-07
        2.200 9.5337E-07
        2.400 1.4065E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    nd: 1.705850
    Vd: 30.244176
    glass_code: 706302
    glass_status: preferred
    density:
      - value: 2980
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.1e-06
      - temperature_range: 293 573
        value: 9.5e-06
    dPgF: 0.0094
    resistance:
        climatic: 1.0
        acid: 1.0
        phosphate: 1.0