# 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: 2.466622 -0.0076071728 2 0.02016524 -2 0.00028279173 -4 3.0879156e-05 -6 6.6471743e-07 -8
  - type: tabulated k
    data: |
        0.320 5.0067E-06
        0.330 1.6181E-06
        0.340 6.3778E-07
        0.350 2.7494E-07
        0.360 1.3791E-07
        0.370 8.0591E-08
        0.380 6.1092E-08
        0.390 3.4328E-08
        0.400 1.9156E-08
        0.420 1.3396E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        0.480 1.1476E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 1.5541E-08
        0.700 1.1152E-08
        0.800 1.2745E-08
        0.900 1.4338E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.581e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.589206
    Vd: 41.079210
    glass_code: 589411
    glass_status: preferred
    density:
      - value: 3300
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.1e-06
      - temperature_range: 293 573
        value: 1e-05
    dPgF: -0.0005
    resistance:
        acid: 1.0
        phosphate: 1.0