# 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: 0.29 2.4
    coefficients: 0 1.39570615 0.0112218843 0.071850507 -0.0252117422 1.27129267 134.49786
  - type: tabulated k
    data: |
        0.290 8.0922E-06
        0.300 4.5290E-06
        0.310 2.5203E-06
        0.320 1.3871E-06
        0.330 7.5547E-07
        0.340 4.0807E-07
        0.350 1.9614E-07
        0.360 1.0503E-07
        0.370 6.2490E-08
        0.380 4.2634E-08
        0.390 2.8058E-08
        0.400 2.2360E-08
        0.420 1.6753E-08
        0.440 1.7551E-08
        0.460 1.4672E-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 1.2745E-08
        0.900 2.1518E-08
        1.000 2.3909E-08
        1.200 2.8691E-08
        1.400 1.4578E-07
        1.600 7.6624E-08
        1.800 2.1649E-07
        2.000 4.3563E-07
        2.200 1.5169E-06
        2.400 2.8805E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.92e-06 1.21e-08 -3.34e-11 4.43e-07 5.78e-10 0.195
    nd: 1.583126
    Vd: 59.374673
    glass_code: 583594
    density:
      - value: 3190
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.6e-06
      - temperature_range: 293 573
        value: 7.6e-06
    dPgF: -0.002
    resistance:
        climatic: 1.0
        acid: 1.2
        phosphate: 1.0