# 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: 0.33 2.4
    coefficients: 0 1.6582834 0.0113872516 0.263275666 0.0522108137 2.10142759 165.523649
  - type: tabulated k
    data: |
        0.330 9.2084E-06
        0.340 4.7943E-06
        0.350 1.8213E-06
        0.360 8.6260E-07
        0.370 4.7852E-07
        0.380 2.6862E-07
        0.390 1.6901E-07
        0.400 1.1340E-07
        0.420 6.4114E-08
        0.440 4.9366E-08
        0.460 4.4192E-08
        0.480 3.4533E-08
        0.500 2.7950E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.1152E-08
        0.800 6.3694E-09
        0.900 7.1656E-09
        1.000 7.9617E-09
        1.200 9.5541E-09
        1.400 4.4653E-08
        1.600 5.1032E-08
        1.800 1.4396E-07
        2.000 2.4054E-07
        2.200 8.6118E-07
        2.400 9.9974E-07
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.75e-06 9.12e-09 -3.26e-11 8.19e-07 1.05e-09 0.264
    nd: 1.737999
    Vd: 32.261312
    density:
      - value: 3280
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.9e-06
    dPgF: 0.0006
    resistance:
        climatic: 2.0
        acid: 1.0
        phosphate: 1.0