# 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 
    range: 0.31 2.5
    coefficients: 0 1.33183167 0.00620023871 0.546623206 0.0216465439 1.19084015 82.5827736
  - type: tabulated k
    data: |
        0.310 4.5442E-06
        0.320 3.2787E-06
        0.334 1.7940E-06
        0.350 8.4116E-07
        0.365 3.8167E-07
        0.370 2.9262E-07
        0.380 1.6845E-07
        0.390 1.1028E-07
        0.400 7.4725E-08
        0.405 6.3414E-08
        0.420 4.0721E-08
        0.436 2.9455E-08
        0.460 1.9160E-08
        0.500 9.5781E-09
        0.546 8.7117E-09
        0.580 1.1111E-08
        0.620 1.1877E-08
        0.660 1.0531E-08
        0.700 8.9305E-09
        1.060 2.0305E-08
        1.530 1.0336E-07
        1.970 8.0161E-07
        2.325 6.4201E-06
        2.500 1.8323E-05
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 4.1e-06 1.25e-08 -1.6e-11 4.3e-07 6.29e-10 0.213
    n_d: 1.713
    V_d: 53.83
    glass_code: 713538.375
    glass_status: standard
    density: 3.749 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 5.6e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 6.7e-06 K<sup>-1</sup>
    ΔP_gF: -0.0083
    climatic_resistance: 3.0
    stain_resistance: 2.0
    acid_resistance: 52.3
    alkali_resistance: 1.0
    phosphate_resistance: 3.3
