# 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: 0.334 2.5
    coefficients: 0 1.28834642 0.00779980626 0.132817724 0.0315631177 0.945395373 105.965875
  - type: tabulated k
    data: |
        0.334 2.5025E-06
        0.350 5.7843E-07
        0.365 1.7658E-07
        0.370 1.2409E-07
        0.380 6.3317E-08
        0.390 3.5255E-08
        0.400 2.1831E-08
        0.405 1.9484E-08
        0.420 1.2087E-08
        0.436 1.1147E-08
        0.460 1.0286E-08
        0.500 7.9777E-09
        0.546 6.9658E-09
        0.580 7.3996E-09
        0.620 7.9099E-09
        0.660 8.4202E-09
        0.700 8.9305E-09
        1.060 6.7549E-09
        1.530 4.4030E-08
        1.970 3.2825E-07
        2.325 1.5504E-06
        2.500 3.1513E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 3.06e-06 1.44e-08 -2.23e-11 5.46e-07 6.05e-10 0.189
    n_d: 1.56883
    V_d: 55.98
    glass_code: 569560.305
    glass_status: standard
    density: 3.046 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 6.99e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 7.93e-06 K<sup>-1</sup>
    ΔP_gF: -0.001
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.2
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
