# 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 3
    wavelength_range: 0.3 2.4
    coefficients: 2.3036685 -0.0076028355 2 0.014811205 -2 0.00024182527 -4 4.8392964e-06 -6 8.9395406e-07 -8
  - type: tabulated k
    data: |
        0.300 1.0994E-05
        0.310 3.2300E-06
        0.320 1.0198E-06
        0.330 3.9607E-07
        0.340 1.5879E-07
        0.350 7.6235E-08
        0.360 4.0390E-08
        0.370 3.2567E-08
        0.380 3.0392E-08
        0.390 1.5557E-08
        0.400 9.5636E-09
        0.420 1.3396E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        0.480 1.1476E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.1152E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.435e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.531717
    Vd: 48.904553
    glass_code: 532489
    glass_status: preferred
    density:
      - value: 2790
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.3e-06
      - temperature_range: 293 573
        value: 9e-06
    dPgF: -0.0027
    resistance:
        acid: 1.0
        phosphate: 1.0