# 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 
    range: 0.39 2.5
    coefficients: 0 1.34702224 0.00980850553 0.210037763 0.0471788018 19.5350768 2279.1547
  - type: tabulated k
    data: |
        0.400 3.5821E-06
        0.405 2.7333E-06
        0.420 1.2250E-06
        0.436 5.9785E-07
        0.460 2.3796E-07
        0.500 1.0357E-07
        0.546 6.5525E-08
        0.580 5.2431E-08
        0.620 4.1885E-08
        0.660 3.3885E-08
        0.700 2.6900E-08
        1.060 1.0137E-08
        1.530 5.3868E-08
        1.970 4.5507E-07
        2.325 1.4687E-06
        2.500 2.2893E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    n_d: 1.62072
    V_d: 36.56
    glass_code: 621366.360
    glass_status: special
    density: 3.601 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 8.08e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 8.95e-06 K<sup>-1</sup>
    ΔP_gF: 0.0008
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.3
    phosphate_resistance: 2.3
