# 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: 0.37 2.5
    coefficients: 0 1.60865158 0.0119654879 0.237725916 0.0590589722 1.51530653 135.521676
  - type: tabulated k
    data: |
        0.370 4.1298E-06
        0.380 1.6768E-06
        0.390 8.1179E-07
        0.400 4.5413E-07
        0.405 3.5379E-07
        0.420 1.8618E-07
        0.436 1.3089E-07
        0.460 9.0600E-08
        0.500 5.1762E-08
        0.546 2.4504E-08
        0.580 1.8555E-08
        0.620 2.5824E-08
        0.660 2.9620E-08
        0.700 2.2394E-08
        1.060 1.6913E-08
        1.530 1.3330E-07
        1.970 1.0191E-06
        2.325 4.0314E-06
        2.500 6.1794E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: -3.72e-06 8.05e-09 -1.71e-11 8.98e-07 1.34e-09 0.276
    n_d: 1.71736
    V_d: 29.62
    glass_code: 717296.303
    glass_status: standard
    density: 3.025 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 9.13e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 1.054e-05 K<sup>-1</sup>
    ΔP_gF: 0.0097
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
