# 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 1.78897105 0.00872506277 0.38675867 0.0308085023 1.30506243 92.7743824
  - type: tabulated k
    data: |
        0.334 2.5839E-06
        0.350 1.1664E-06
        0.365 5.6480E-07
        0.370 4.4558E-07
        0.380 2.8054E-07
        0.390 1.7288E-07
        0.400 1.2008E-07
        0.405 1.0749E-07
        0.420 6.8574E-08
        0.436 4.9445E-08
        0.460 3.4071E-08
        0.500 1.7604E-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 1.6913E-08
        1.530 1.2330E-07
        1.970 8.7327E-07
        2.325 5.5877E-06
        2.500 1.5097E-05
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 3.32e-06 1.12e-08 -8.52e-12 5.88e-07 7.13e-10 0.209
    nd: 1.8042
    Vd: 46.5
    glass_code: 804465.444
    glass_status: standard
    density: 4.44 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 6.21e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 7.39e-06 K<sup>-1</sup>
    dPgF: -0.0084
    climatic_resistance: 1.0
    stain_resistance: 1.0
    acid_resistance: 4.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
