# 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 2.15636617 0.012288051 0.329558178 0.0555507835 1.72178935 124.43934
  - type: tabulated k
    data: |
        0.360 8.0598E-06
        0.370 3.4484E-06
        0.380 1.7533E-06
        0.390 1.0629E-06
        0.400 7.1029E-07
        0.420 3.8949E-07
        0.440 2.3907E-07
        0.460 1.6472E-07
        0.480 1.1635E-07
        0.500 8.0384E-08
        0.550 3.5155E-08
        0.600 2.3933E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.800 1.2745E-08
        0.900 1.4338E-08
        1.000 1.5931E-08
        1.200 9.5541E-09
        1.400 3.3473E-08
        1.600 6.3822E-08
        1.800 1.7293E-07
        2.000 4.5199E-07
        2.200 1.2141E-06
        2.400 4.0245E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 9.86e-07 1.06e-08 -1.51e-11 9.56e-07 1.15e-09 0.265
    nd: 1.903659
    Vd: 31.343065
    density:
      - value: 4640
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.3e-06
    dPgF: 0.0055
    resistance:
        climatic: 1.0
        acid: 4.0
        phosphate: 1.0