# 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 
    wavelength_range: 0.3 2.5
    coefficients: 0 1.15687082 0.00809424251 0.0642625444 0.0386051284 0.872376139 104.74773
  - type: tabulated k
    data: |
        0.300 3.7357E-06
        0.310 2.0132E-06
        0.320 1.1930E-06
        0.334 3.4925E-07
        0.350 1.0507E-07
        0.365 4.9851E-08
        0.370 4.0740E-08
        0.380 3.3108E-08
        0.390 2.2549E-08
        0.400 1.7951E-08
        0.405 1.6869E-08
        0.420 1.6140E-08
        0.436 1.6755E-08
        0.460 1.4716E-08
        0.500 1.4389E-08
        0.546 1.3960E-08
        0.580 1.2969E-08
        0.620 1.3863E-08
        0.660 1.2643E-08
        0.700 6.6946E-09
        1.060 1.3523E-08
        1.530 8.3504E-08
        1.970 1.0191E-06
        2.325 3.4194E-06
        2.500 5.2038E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 4.86e-06 1.72e-08 -3.02e-11 3.82e-07 4.53e-10 0.26
    nd: 1.50137
    Vd: 56.41
    glass_code: 501564.252
    glass_status: standard
    density: 2.52 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 6.5e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 7.4e-06 K<sup>-1</sup>
    dPgF: -0.0015
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.2
