# 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 1.57055634 0.0116507014 0.218987094 0.0597856897 1.50824017 132.709339
  - type: tabulated k
    data: |
        0.370 5.4237E-06
        0.380 1.9467E-06
        0.390 9.1116E-07
        0.400 4.9104E-07
        0.405 3.8817E-07
        0.420 2.0164E-07
        0.436 1.2784E-07
        0.460 8.5934E-08
        0.500 4.8477E-08
        0.546 2.6267E-08
        0.580 2.6029E-08
        0.620 3.1832E-08
        0.660 3.6021E-08
        0.700 2.6900E-08
        1.060 1.3523E-08
        1.530 1.1831E-07
        1.970 7.3075E-07
        2.325 3.3028E-06
        2.500 5.3583E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: -7.15e-07 1.04e-08 -2.62e-11 8.56e-07 1.29e-09 0.281
    nd: 1.69892
    Vd: 30.2
    glass_code: 699302.292
    glass_status: standard
    density: 2.921 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 8.04e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 9.28e-06 K<sup>-1</sup>
    dPgF: 0.0108
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
