# 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: 2.521467 -0.007991308 2 0.01891922 -2 0.000549235 -4 -1.150794e-05 -6 2.505827e-06 -8
  - type: tabulated k
    data: |
        0.370 1.6968E-07
        0.380 1.2030E-07
        0.390 7.2215E-08
        0.400 4.1652E-08
        0.420 2.6846E-08
        0.440 2.4596E-08
        0.460 1.8349E-08
        0.480 1.1476E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 1.5541E-08
        0.700 1.6736E-08
        0.800 1.9127E-08
        0.900 2.1518E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.7294e-07 0.0 0.0 0.0 0.0 0.0
    nd: 1.605620
    Vd: 43.723021
    glass_code: 606437
    glass_status: preferred
    density:
      - value: 3500
    thermal_expansion:
      - temperature_range: 243 343
        value: 8e-06
      - temperature_range: 293 573
        value: 9e-06
    dPgF: 0.0004