# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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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: 2.891704 -0.01284803 2 0.02450539 -2 0.001674117 -4 -0.0001176163 -6 1.046904e-05 -8
  - type: tabulated k
    data: |
        0.420 1.8907E-07
        0.440 1.1388E-07
        0.460 8.1431E-08
        0.480 5.7730E-08
        0.500 4.4010E-08
        0.550 2.6340E-08
        0.600 3.3540E-08
        0.650 3.6335E-08
        0.700 2.7922E-08
        0.800 1.9127E-08
        0.900 2.1518E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.3519e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.723420
    Vd: 37.949115
    glass_code: 723380
    glass_status: preferred
    density:
      - value: 3950
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.4e-06
      - temperature_range: 293 573
        value: 8.4e-06
    dPgF: 0.0035