# 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 2.325
    coefficients: 0 1.97025325 0.00991088134 0.30489414 0.0383202295 1.39214665 97.7785249
  - type: tabulated k
    data: |
        0.330 5.1631E-06
        0.340 2.3471E-06
        0.350 1.2430E-06
        0.360 7.1179E-07
        0.370 4.4408E-07
        0.380 2.8519E-07
        0.390 1.9534E-07
        0.400 1.4323E-07
        0.420 8.8048E-08
        0.440 6.3599E-08
        0.460 4.7899E-08
        0.480 3.0681E-08
        0.500 1.9944E-08
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        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 3.3473E-08
        1.600 6.3822E-08
        1.800 1.8743E-07
        2.000 5.5054E-07
        2.200 1.6704E-06
        2.400 6.5411E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.24e-06 9.97e-09 -2.68e-12 6.8e-07 7.1e-10 0.217
    nd: 1.834807
    Vd: 42.725324
    density:
      - value: 4730
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
    dPgF: -0.0075
    resistance:
        climatic: 4.0
        acid: 4.0
        phosphate: 1.0