# 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 1.85078519 0.00940657541 0.189204854 0.0380345187 1.19763137 101.426835
  - type: tabulated k
    data: |
        0.340 1.0585E-05
        0.350 4.6255E-06
        0.360 2.1027E-06
        0.370 1.0084E-06
        0.380 5.6345E-07
        0.390 3.0979E-07
        0.400 1.9357E-07
        0.420 9.4918E-08
        0.440 6.3599E-08
        0.460 4.4192E-08
        0.480 3.0681E-08
        0.500 2.3945E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.800 1.9127E-08
        0.900 2.8705E-08
        1.000 3.1895E-08
        1.200 2.8691E-08
        1.400 5.5844E-08
        1.600 6.3822E-08
        1.800 1.5844E-07
        2.000 4.5199E-07
        2.200 1.2705E-06
        2.400 5.2414E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 7.61e-07 8.02e-09 -3.26e-12 6.21e-07 5.18e-10 0.213
    nd: 1.763850
    Vd: 48.488692
    density:
      - value: 4540
    thermal_expansion:
      - temperature_range: 243 343
        value: 7e-06
    dPgF: -0.0041
    resistance:
        climatic: 2.0
        acid: 5.0
        phosphate: 1.0