# 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: 0.334 2.5
    coefficients: 0 1.30417786 0.00695051276 0.28584116 0.0232023703 0.974781572 99.016884
  - type: tabulated k
    data: |
        0.334 1.8231E-06
        0.350 6.4001E-07
        0.365 2.5926E-07
        0.370 1.9141E-07
        0.380 1.1408E-07
        0.390 7.5493E-08
        0.400 5.1976E-08
        0.405 4.4594E-08
        0.420 3.5219E-08
        0.436 3.0873E-08
        0.460 2.6596E-08
        0.500 1.5996E-08
        0.546 1.2209E-08
        0.580 1.2969E-08
        0.620 1.5852E-08
        0.660 1.6874E-08
        0.700 1.3409E-08
        1.060 3.0504E-08
        1.530 1.2330E-07
        1.970 6.6068E-07
        2.325 3.5378E-06
        2.500 7.9120E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 4.92e-07 1.2e-08 -2.96e-12 4.66e-07 5.16e-10 0.179
    nd: 1.62296
    Vd: 58.02
    glass_code: 623580.362
    glass_status: special
    density: 3.62 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 6.7e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 7.6e-06 K<sup>-1</sup>
    dPgF: -0.0009
    climatic_resistance: 3.0
    stain_resistance: 3.0
    acid_resistance: 52.2
    alkali_resistance: 2.0
    phosphate_resistance: 3.2
