# 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: 0.31 2.5
    coefficients: 0 1.51697436 0.00750943203 0.455875464 0.0260046715 1.07469242 80.5945159
  - type: tabulated k
    data: |
        0.310 2.4923E-06
        0.320 1.6394E-06
        0.334 1.3920E-06
        0.350 6.6604E-07
        0.365 3.1885E-07
        0.370 2.4818E-07
        0.380 1.5462E-07
        0.390 1.0351E-07
        0.400 7.8782E-08
        0.405 6.6125E-08
        0.420 4.4862E-08
        0.436 3.3714E-08
        0.460 2.2130E-08
        0.500 1.2784E-08
        0.546 8.7117E-09
        0.580 1.1111E-08
        0.620 1.1877E-08
        0.660 8.4202E-09
        0.700 8.9305E-09
        1.060 1.6913E-08
        1.530 1.4834E-07
        1.970 1.0191E-06
        2.325 6.2460E-06
        2.500 1.8323E-05
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 8.98e-06 1.26e-08 -1.23e-11 6.24e-07 6.86e-10 0.194
    nd: 1.7433
    Vd: 49.4
    glass_code: 743494.412
    glass_status: standard
    density: 4.115 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 5.27e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 6.38e-06 K<sup>-1</sup>
    dPgF: -0.0084
    climatic_resistance: 2.0
    stain_resistance: 1.0
    acid_resistance: 52.3
    alkali_resistance: 1.0
    phosphate_resistance: 3.3
