# 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: 0.334 2.5
    coefficients: 0 1.32993741 0.00716874107 0.228542996 0.0246455892 0.988465211 100.886364
  - type: tabulated k
    data: |
        0.334 1.7111E-06
        0.350 5.5069E-07
        0.365 2.1648E-07
        0.370 1.6402E-07
        0.380 8.7780E-08
        0.390 5.0677E-08
        0.400 3.2236E-08
        0.405 2.7361E-08
        0.420 2.2923E-08
        0.436 2.3796E-08
        0.460 2.2130E-08
        0.500 1.2784E-08
        0.546 8.7117E-09
        0.580 9.2541E-09
        0.620 9.8924E-09
        0.660 1.0531E-08
        0.700 8.9305E-09
        1.060 2.3702E-08
        1.530 1.1332E-07
        1.970 6.6068E-07
        2.325 3.5378E-06
        2.500 7.4931E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 7.96e-07 1.3e-08 -1.31e-11 4.36e-07 6.01e-10 0.179
    nd: 1.61272
    Vd: 58.63
    glass_code: 613586.354
    glass_status: standard
    density: 3.535 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 6.46e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 7.38e-06 K<sup>-1</sup>
    dPgF: -0.0004
    climatic_resistance: 3.0
    stain_resistance: 1.0
    acid_resistance: 51.2
    alkali_resistance: 2.0
    phosphate_resistance: 2.0
