# 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=\"http://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=\"http://refractiveindex.info/download/data/2017/ohara_2017-11-30.pdf\">OHARA glass data sheets</a>"
COMMENTS: "Improved XMT at 365 "
DATA:
  - type: formula 2 
    wavelength_range: 0.36 2.4
    coefficients: 0 1.78552677 0.0136046011 0.446684871 0.0570875152 1.21749317 129.967536
  - type: tabulated k
    data: |
        0.360 4.3377E-06
        0.370 1.4075E-06
        0.380 5.2723E-07
        0.390 2.3525E-07
        0.400 1.2332E-07
        0.420 5.0514E-08
        0.440 2.8124E-08
        0.460 1.8349E-08
        0.480 1.5310E-08
        0.500 7.9657E-09
        0.550 4.3790E-09
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 1.1152E-08
        0.800 1.2745E-08
        0.900 7.1656E-09
        1.000 7.9617E-09
        1.200 9.5541E-09
        1.400 4.4653E-08
        1.600 5.1032E-08
        1.800 2.0195E-07
        2.000 4.0295E-07
        2.200 1.0460E-06
        2.400 1.9064E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 25.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 7.53e-06 1.29e-08 -3.4e-11 1.93e-06 1.53e-09 0.268
    nd: 1.841390
    Vd: 24.559059
    glass_code: 841246
    glass_status: special
    density: 5.35 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 8.4e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 9.6e-06 K<sup>-1</sup>
    dPgF: 0.011
