# 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: 0.365 2.5
    coefficients: 0 2.00029547 0.0121426017 0.298926886 0.0538736236 1.80691843 156.530829
  - type: tabulated k
    data: |
        0.365 4.0740E-06
        0.370 2.7723E-06
        0.380 1.4011E-06
        0.390 8.2861E-07
        0.400 5.4263E-07
        0.405 4.5430E-07
        0.420 2.9665E-07
        0.436 2.1741E-07
        0.460 1.5753E-07
        0.500 9.0035E-08
        0.546 4.9357E-08
        0.580 4.1070E-08
        0.620 4.1885E-08
        0.660 4.0300E-08
        0.700 3.1415E-08
        1.060 2.0305E-08
        1.530 6.8664E-08
        1.970 5.2968E-07
        2.325 2.5139E-06
        2.500 4.0916E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 1.05e-06 1.02e-08 -2.38e-11 9.19e-07 1.18e-09 0.257
    nd: 1.85025
    Vd: 32.17
    glass_code: 850322.441
    glass_status: standard
    density: 4.41 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 7.37e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 8.38e-06 K<sup>-1</sup>
    dPgF: 0.0037
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 2.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
