# 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 1.86353123 0.0107620673 0.255215617 0.0487248679 1.23399133 117.12511
  - type: tabulated k
    data: |
        0.350 7.0347E-06
        0.360 3.0906E-06
        0.370 1.4075E-06
        0.380 7.5133E-07
        0.390 4.3220E-07
        0.400 2.7928E-07
        0.420 1.5739E-07
        0.440 1.1388E-07
        0.460 8.8925E-08
        0.480 6.5494E-08
        0.500 4.4010E-08
        0.550 2.1939E-08
        0.600 2.8734E-08
        0.650 3.1129E-08
        0.700 2.2326E-08
        0.800 1.2745E-08
        0.900 1.4338E-08
        1.000 1.5931E-08
        1.200 1.9118E-08
        1.400 3.3473E-08
        1.600 6.3822E-08
        1.800 2.3104E-07
        2.000 5.8353E-07
        2.200 1.3649E-06
        2.400 4.2617E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -6.89e-06 7.66e-09 -9.97e-12 8.33e-07 8.98e-10 0.247
    nd: 1.793600
    Vd: 37.089450
    density:
      - value: 4450
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.9e-06
    dPgF: 0.0013
    resistance:
        climatic: 3.0
        acid: 52.2
        phosphate: 2.2