# 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: "step 0.5 available"
DATA:
  - type: formula 2 
    wavelength_range: 0.3 2.5
    coefficients: 0 1.03961212 0.00600069867 0.231792344 0.0200179144 1.01046945 103.560653
  - type: tabulated k
    data: |
        0.300 2.8607E-06
        0.310 1.3679E-06
        0.320 6.6608E-07
        0.334 2.6415E-07
        0.350 9.2894E-08
        0.365 3.4191E-08
        0.370 2.7405E-08
        0.380 2.0740E-08
        0.390 1.3731E-08
        0.400 1.0227E-08
        0.405 9.0558E-09
        0.420 9.3912E-09
        0.436 1.1147E-08
        0.460 1.0286E-08
        0.500 9.5781E-09
        0.546 6.9658E-09
        0.580 9.2541E-09
        0.620 1.1877E-08
        0.660 1.2643E-08
        0.700 8.9305E-09
        1.060 1.0137E-08
        1.530 9.8390E-08
        1.970 1.0933E-06
        2.325 4.2911E-06
        2.500 8.1300E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 1.86e-06 1.31e-08 -1.37e-11 4.34e-07 6.27e-10 0.17
    nd: 1.5168
    Vd: 64.17
    glass_code: 517642.251
    glass_status: standard
    density: 2.51 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 7.1e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 8.3e-06 K<sup>-1</sup>
    dPgF: -0.0009
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 2.3
    phosphate_resistance: 2.3
