# 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: "step 0.5 available        "
DATA:
  - type: formula 2 
    wavelength_range: 0.37 2.5
    coefficients: 0 1.52481889 0.011254756 0.187085527 0.0588995392 1.42729015 129.141675
  - type: tabulated k
    data: |
        0.370 3.7910E-06
        0.380 1.3410E-06
        0.390 5.9344E-07
        0.400 3.1635E-07
        0.405 2.4021E-07
        0.420 1.2608E-07
        0.436 9.3274E-08
        0.460 6.5886E-08
        0.500 3.8663E-08
        0.546 2.0982E-08
        0.580 1.6691E-08
        0.620 2.3825E-08
        0.660 2.7490E-08
        0.700 2.4646E-08
        1.060 2.0305E-08
        1.530 1.2330E-07
        1.970 8.0161E-07
        2.325 3.4194E-06
        2.500 5.5159E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: -2.51e-07 1.07e-08 -2.4e-11 7.85e-07 1.15e-09 0.278
    nd: 1.67271
    Vd: 32.25
    glass_code: 673323.286
    glass_status: standard
    density: 2.858 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 7.94e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 9.21e-06 K<sup>-1</sup>
    dPgF: 0.0088
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
