# 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: 0.365 2.32542
    coefficients: 0 0.973997577 0.00379332678 0.958186322 0.0177574581 1.20163359 83.79896
  - type: tabulated k
    data: |
        0.280 2.7582E-06
        0.290 1.9477E-06
        0.300 1.4272E-06
        0.310 1.0250E-06
        0.320 7.3258E-07
        0.330 5.2114E-07
        0.340 3.4587E-07
        0.350 2.1714E-07
        0.360 1.3791E-07
        0.370 8.9683E-08
        0.380 6.1092E-08
        0.390 4.3756E-08
        0.400 3.1991E-08
        0.420 2.3478E-08
        0.440 1.7551E-08
        0.460 1.0998E-08
        0.480 7.6471E-09
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.800 6.3694E-09
        0.900 7.1656E-09
        1.000 7.9617E-09
        1.200 9.5541E-09
        1.400 7.8260E-08
        1.600 8.9440E-08
        1.800 2.7477E-07
        2.000 7.9961E-07
        2.200 2.8452E-06
        2.400 1.0404E-05
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.19e-06 1.04e-08 7.25e-13 4.73e-07 4.97e-10 0.202
    nd: 1.729160
    Vd: 54.095223
    density:
      - value: 3980
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.4e-06
    dPgF: -0.0092
    resistance:
        climatic: 3.0
        acid: 52.0
        phosphate: 2.0