# 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: "lead containing glass type        "
DATA:
  - type: formula 2 
    range: 0.32 2.325
    coefficients: 0 1.28035628 0.00929854416 0.163505973 0.0449135769 0.893930112 110.493685
  - type: tabulated k
    data: |
        0.320 3.2787E-06
        0.334 5.9762E-07
        0.350 1.4242E-07
        0.365 5.4712E-08
        0.370 4.6852E-08
        0.380 3.3108E-08
        0.390 2.0023E-08
        0.400 1.0227E-08
        0.405 1.0355E-08
        0.420 9.3912E-09
        0.436 8.3521E-09
        0.460 7.3395E-09
        0.500 6.3790E-09
        0.546 5.5181E-09
        0.580 5.5469E-09
        0.620 3.9510E-09
        0.660 4.2059E-09
        0.700 4.4608E-09
        1.060 6.7549E-09
        1.530 3.9118E-08
        1.970 8.7327E-07
        2.325 3.0751E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: -2.27e-06 9.71e-09 -2.83e-11 8.36e-07 9.95e-10 0.228
    n_d: 1.58144
    V_d: 40.85
    glass_code: 581409.322
    glass_status: standard
    density: 3.22 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 9.1e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 1.06e-05 K<sup>-1</sup>
    ΔP_gF: -0.0003
    climatic_resistance: 2.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 2.3
    phosphate_resistance: 2.0
