# 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: 0.35 2.5
    coefficients: 0 1.44857867 0.00869310149 0.117965926 0.0421566593 1.06937528 111.300666
  - type: tabulated k
    data: |
        0.350 5.1305E-06
        0.365 1.3607E-06
        0.370 9.4044E-07
        0.380 5.0260E-07
        0.390 2.6159E-07
        0.400 1.6276E-07
        0.405 1.3583E-07
        0.420 8.5569E-08
        0.436 6.3901E-08
        0.460 4.6109E-08
        0.500 2.5671E-08
        0.546 1.3960E-08
        0.580 1.4829E-08
        0.620 1.9835E-08
        0.660 1.8993E-08
        0.700 1.3409E-08
        1.060 2.3702E-08
        1.530 9.8390E-08
        1.970 6.6068E-07
        2.325 3.0751E-06
        2.500 6.1794E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 5.34e-07 1.27e-08 -1.75e-11 5.4e-07 7.05e-10 0.224
    nd: 1.61773
    Vd: 49.83
    glass_code: 618498.327
    glass_status: standard
    density: 3.268 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 7.21e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 8.16e-06 K<sup>-1</sup>
    dPgF: 0.0002
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.3
    phosphate_resistance: 1.0
