# 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/schott_2017-01-20b.agf\">SCHOTT Zemax catalog 2017-01-20b</a> (obtained from <a href=\"http://www.schott.com/advanced_optics/english/download/\">http://www.schott.com</a>)<br>See also <a href=\"http://refractiveindex.info/download/data/2017/schott_2017-01-20.pdf\">SCHOTT glass data sheets</a>"
COMMENTS: "         "
DATA:
  - type: formula 2 
    wavelength_range: 0.37 2.5
    coefficients: 0 1.73759695 0.013188707 0.313747346 0.0623068142 1.89878101 155.23629
  - type: tabulated k
    data: |
        0.370 7.3192E-06
        0.380 2.5646E-06
        0.390 1.1689E-06
        0.400 6.5040E-07
        0.405 5.1628E-07
        0.420 2.8171E-07
        0.436 1.9327E-07
        0.460 1.2209E-07
        0.500 7.6618E-08
        0.546 3.8662E-08
        0.580 2.9778E-08
        0.620 3.7858E-08
        0.660 4.0300E-08
        0.700 3.3676E-08
        1.060 6.7549E-09
        1.530 7.3606E-08
        1.970 5.5703E-07
        2.325 2.6396E-06
        2.500 3.8041E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: -3.56e-06 9.2e-09 -2.1e-11 9.65e-07 1.44e-09 0.294
    nd: 1.78472
    Vd: 25.68
    glass_code: 785257.322
    glass_status: standard
    density: 3.224 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 8.52e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 9.85e-06 K<sup>-1</sup>
    dPgF: 0.015
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
