# 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: 0.29 2.5
    coefficients: 0 0.888308131 0.00516900822 0.328964475 0.0161190045 0.984610769 99.7575331
  - type: tabulated k
    data: |
        0.290 2.0375E-06
        0.300 8.2840E-07
        0.310 3.3796E-07
        0.320 1.5363E-07
        0.334 5.7895E-08
        0.350 2.4783E-08
        0.365 1.6381E-08
        0.370 1.6605E-08
        0.380 1.8281E-08
        0.390 1.3731E-08
        0.400 1.2796E-08
        0.405 1.2956E-08
        0.420 1.4787E-08
        0.436 1.5351E-08
        0.460 1.4716E-08
        0.500 1.4389E-08
        0.546 1.2209E-08
        0.580 1.2969E-08
        0.620 1.5852E-08
        0.660 1.4758E-08
        0.700 1.1169E-08
        1.060 1.3523E-08
        1.530 9.8390E-08
        1.970 3.2165E-07
        2.325 2.5347E-06
        2.500 6.0083E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 3.32e-06 1.72e-08 -2.05e-11 3.57e-07 3.9e-10 0.169
    nd: 1.49782
    Vd: 66.95
    glass_code: 498670.239
    glass_status: standard
    density: 2.39 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 5.8e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 6.6e-06 K<sup>-1</sup>
    dPgF: -0.0008
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
