# 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: 2.802774 -0.011441428 2 0.023830231 -2 0.00057322688 -4 1.1516047e-05 -6 1.2065896e-06 -8
  - type: tabulated k
    data: |
        0.330 6.3234E-06
        0.340 2.9189E-06
        0.350 1.4696E-06
        0.360 7.4875E-07
        0.370 4.1004E-07
        0.380 2.3902E-07
        0.390 1.4940E-07
        0.400 1.0352E-07
        0.420 7.0935E-08
        0.440 6.0036E-08
        0.460 4.7899E-08
        0.480 3.8389E-08
        0.500 2.7950E-08
        0.550 1.3150E-08
        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: 8.228e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.695000
    Vd: 42.167111
    glass_code: 695422
    glass_status: preferred
    density:
      - value: 3300
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.6e-06
      - temperature_range: 293 573
        value: 8.1e-06
    dPgF: -0.0039
    resistance:
        acid: 1.0
        phosphate: 1.0