# 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: "inquiry glass        "
DATA:
  - type: formula 2 
    wavelength_range: 0.37 2.5
    coefficients: 0 1.14094396 0.00694945478 0.14500119 0.0310574444 37.4705786 4536.25624
  - type: tabulated k
    data: |
        0.380 2.4678E-06
        0.390 1.1689E-06
        0.400 6.2936E-07
        0.405 4.9718E-07
        0.420 2.6531E-07
        0.436 1.6173E-07
        0.460 1.0626E-07
        0.500 6.3313E-08
        0.546 4.2220E-08
        0.580 3.3534E-08
        0.620 2.9827E-08
        0.660 2.7490E-08
        0.700 1.7897E-08
        1.060 1.6913E-08
        1.530 1.1831E-07
        1.970 1.7209E-06
        2.325 5.7469E-06
        2.500 9.0673E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: -2.22e-06 8.45e-09 -3.31e-11 5.44e-07 4.95e-10 0.214
    nd: 1.52344
    Vd: 56.76
    glass_code: 523568.259
    glass_status: special
    density: 2.593 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 8.99e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 1.028e-05 K<sup>-1</sup>
    dPgF: 0.0017
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
