# 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 1.17963631 0.00680282081 0.229817295 0.0219737205 0.935789652 101.513232
  - type: tabulated k
    data: |
        0.300 3.7357E-06
        0.310 1.8083E-06
        0.320 9.0817E-07
        0.334 3.6412E-07
        0.350 1.4242E-07
        0.365 7.1889E-08
        0.370 6.0411E-08
        0.380 4.5603E-08
        0.390 3.7812E-08
        0.400 3.2236E-08
        0.405 2.6044E-08
        0.420 2.0205E-08
        0.436 1.6755E-08
        0.460 1.4716E-08
        0.500 9.5781E-09
        0.546 5.2218E-09
        0.580 7.3996E-09
        0.620 9.8924E-09
        0.660 1.0531E-08
        0.700 8.9305E-09
        1.060 1.6913E-08
        1.530 7.8552E-08
        1.970 5.2286E-07
        2.325 2.3291E-06
        2.500 4.9035E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 2.14e-06 1.27e-08 -7.21e-11 3.51e-07 5.41e-10 0.238
    nd: 1.56384
    Vd: 60.8
    glass_code: 564608.308
    glass_status: standard
    density: 3.08 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 6.5e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 7.6e-06 K<sup>-1</sup>
    dPgF: -0.0004
    climatic_resistance: 2.0
    stain_resistance: 0.0
    acid_resistance: 2.0
    alkali_resistance: 1.0
    phosphate_resistance: 2.3
