# 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: |
    Recommended 
DATA:
  - type: formula 2
    wavelength_range: 0.365015 2.32542
    coefficients: 0 1.92591095 0.0096115249 0.34895346 0.036513298 1.42230744 103.36409
  - type: tabulated k
    data: |
        0.320 7.1643E-06
        0.330 3.3429E-06
        0.340 1.6175E-06
        0.350 8.7654E-07
        0.360 4.9949E-07
        0.370 3.1022E-07
        0.380 2.0000E-07
        0.390 1.3641E-07
        0.400 9.6955E-08
        0.420 6.0709E-08
        0.440 4.2271E-08
        0.460 3.3094E-08
        0.480 2.2987E-08
        0.500 1.5947E-08
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.800 6.3694E-09
        0.900 7.1656E-09
        1.000 7.9617E-09
        1.200 9.5541E-09
        1.400 3.3473E-08
        1.600 5.1032E-08
        1.800 1.7293E-07
        2.000 5.1762E-07
        2.200 1.4598E-06
        2.400 5.7507E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.82e-06 1.01e-08 -4.98e-12 6.79e-07 6.67e-10 0.229
    nd: 1.834809
    Vd: 42.743680
    density:
      - value: 4580
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.3e-06
    dPgF: -0.0075
    resistance:
        climatic: 2.0
        acid: 4.0
        phosphate: 1.0