# 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 
    range: 0.31 2.5
    coefficients: 0 1.1273555 0.00720341707 0.124412303 0.0269835916 0.827100531 100.384588
  - type: tabulated k
    data: |
        0.310 2.2721E-06
        0.320 8.8363E-07
        0.334 2.6415E-07
        0.350 6.8934E-08
        0.365 3.4191E-08
        0.370 2.8611E-08
        0.380 2.0740E-08
        0.390 1.4987E-08
        0.400 1.2796E-08
        0.405 1.2956E-08
        0.420 1.3436E-08
        0.436 1.3948E-08
        0.460 1.4716E-08
        0.500 1.1180E-08
        0.546 1.0459E-08
        0.580 1.1111E-08
        0.620 9.8924E-09
        0.660 1.0531E-08
        0.700 8.9305E-09
        1.060 2.0305E-08
        1.530 9.8390E-08
        1.970 1.4781E-06
        2.325 5.1298E-06
        2.500 8.5849E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: -1.67e-06 8.8e-09 -2.86e-11 5.42e-07 7.81e-10 0.172
    n_d: 1.51112
    V_d: 60.41
    glass_code: 511604.253
    glass_status: standard
    density: 2.53 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 8.4e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 9.7e-06 K<sup>-1</sup>
    climatic_resistance: 3.0
    stain_resistance: 0.0
    acid_resistance: 2.0
    alkali_resistance: 1.0
    phosphate_resistance: 2.3
