# 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 
    wavelength_range: 0.3 2.5
    coefficients: 0 1.07715032 0.00676601657 0.168079109 0.0230642817 0.851889892 89.0498778
  - type: tabulated k
    data: |
        0.300 3.3485E-06
        0.310 1.7485E-06
        0.320 9.5911E-07
        0.334 4.2577E-07
        0.350 1.6803E-07
        0.365 8.4315E-08
        0.370 7.2874E-08
        0.380 5.4428E-08
        0.390 3.9093E-08
        0.400 3.2236E-08
        0.405 2.9997E-08
        0.420 2.5646E-08
        0.436 2.2385E-08
        0.460 1.7677E-08
        0.500 1.1180E-08
        0.546 8.7117E-09
        0.580 9.2541E-09
        0.620 1.1877E-08
        0.660 1.2643E-08
        0.700 8.9305E-09
        1.060 2.0305E-08
        1.530 1.1831E-07
        1.970 4.5507E-07
        2.325 3.0751E-06
        2.500 8.3542E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 1.15e-05 1.73e-08 -8.06e-11 4.32e-07 7.05e-10 0.179
    nd: 1.50847
    Vd: 61.19
    glass_code: 508612.249
    glass_status: standard
    density: 2.49 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 4.5e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 5.2e-06 K<sup>-1</sup>
    dPgF: -0.0039
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 2.0
    alkali_resistance: 1.2
    phosphate_resistance: 2.2
