# 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: 2.339135 -0.009645053 2 0.01072238 -2 0.0007185158 -4 -6.911301e-05 -6 3.543402e-06 -8
  - type: tabulated k
    data: |
        0.340 1.5592E-07
        0.350 9.0584E-08
        0.360 5.4955E-08
        0.370 3.8528E-08
        0.380 3.6507E-08
        0.390 2.4928E-08
        0.400 1.9156E-08
        0.420 1.6753E-08
        0.440 2.1072E-08
        0.460 1.8349E-08
        0.480 1.5310E-08
        0.500 7.9657E-09
        0.550 8.7623E-09
        0.600 9.5589E-09
        0.650 1.5541E-08
        0.700 1.1152E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.2683e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.539955
    Vd: 59.454008
    glass_code: 540595
    glass_status: preferred
    density:
      - value: 2750
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.3e-06
      - temperature_range: 293 573
        value: 1.01e-05
    dPgF: -0.001