# 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: 0.365 0.9
    coefficients: 2.410742 -0.010238 2 0.01233414 -2 0.0003782378 -4 -2.550448e-05 -6 1.456385e-06 -8
  - type: tabulated k
    data: |
        0.350 2.7187E-07
        0.360 1.5298E-07
        0.370 8.9683E-08
        0.380 6.1092E-08
        0.390 4.0610E-08
        0.400 2.5567E-08
        0.420 2.3478E-08
        0.440 2.4596E-08
        0.460 1.8349E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.6736E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.4071e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.563839
    Vd: 60.695914
    glass_code: 564607
    glass_status: preferred
    density:
      - value: 2780
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.8e-06
      - temperature_range: 293 573
        value: 9.1e-06
    dPgF: -0.0029