# 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: |
    Leaded
DATA:
  - type: formula 3
    wavelength_range: 0.365 0.9
    coefficients: 3.494462 -0.01184144 2 0.05819278 -2 0.00520064 -4 -0.0003667622 -6 5.308036e-05 -8
  - type: tabulated k
    data: |
        0.460 3.4121E-07
        0.480 2.0398E-07
        0.500 1.2119E-07
        0.550 4.3988E-08
        0.600 4.7987E-08
        0.650 6.7684E-08
        0.700 8.4189E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.1815e-05 0.0 0.0 0.0 0.0 0.0
    nd: 1.922861
    Vd: 20.884172
    glass_code: 923209
    glass_status: preferred
    density:
      - value: 6030
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.8e-06
      - temperature_range: 293 573
        value: 9.9e-06
    dPgF: 0.023