# 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: 0.31 2.5
    coefficients: 0 1.21640125 0.00857807248 0.13366454 0.0420143003 0.883399468 107.59306
  - type: tabulated k
    data: |
        0.310 4.5442E-06
        0.320 1.2264E-06
        0.334 2.2403E-07
        0.350 5.1297E-08
        0.365 2.2287E-08
        0.370 1.8996E-08
        0.380 1.4603E-08
        0.390 9.9712E-09
        0.400 8.5979E-09
        0.405 7.6934E-09
        0.420 6.7013E-09
        0.436 5.5625E-09
        0.460 5.8686E-09
        0.500 6.3790E-09
        0.546 5.2218E-09
        0.580 5.5469E-09
        0.620 7.9099E-09
        0.660 8.4202E-09
        0.700 6.6946E-09
        1.060 1.3523E-08
        1.530 4.8947E-08
        1.970 1.0933E-06
        2.325 3.6581E-06
        2.500 5.5159E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 3.25e-07 1.74e-08 -6.12e-11 6.53e-07 2.58e-10 0.233
    nd: 1.54814
    Vd: 45.75
    glass_code: 548458.294
    glass_status: standard
    density: 2.94 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 8.1e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 9.2e-06 K<sup>-1</sup>
    dPgF: -0.0009
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 2.0
    phosphate_resistance: 1.0
