# 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: 0.365015 2.32542
    coefficients: 0 1.76068422 0.00853607198 0.414128906 0.0301826383 1.33415439 98.09421
  - type: tabulated k
    data: |
        0.310 7.3902E-06
        0.320 3.5302E-06
        0.330 1.6672E-06
        0.340 8.8881E-07
        0.350 5.1897E-07
        0.360 3.3384E-07
        0.370 2.0104E-07
        0.380 1.3291E-07
        0.390 9.1333E-08
        0.400 6.7557E-08
        0.420 4.3734E-08
        0.440 3.1655E-08
        0.460 2.5714E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        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 2.2304E-08
        1.600 5.1032E-08
        1.800 1.5844E-07
        2.000 5.1762E-07
        2.200 1.5360E-06
        2.400 6.2740E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.45e-06 9.57e-09 -3.91e-13 6.2e-07 6.32e-10 0.215
    nd: 1.804000
    Vd: 46.527532
    density:
      - value: 4460
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.1e-06
    dPgF: -0.0085
    resistance:
        climatic: 2.0
        acid: 4.0
        phosphate: 1.0