# 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: 0.3 2.5
    coefficients: 0 0.88727211 0.00469824067 0.489592425 0.0161818463 1.04865296 104.374975
  - type: tabulated k
    data: |
        0.300 2.6866E-06
        0.310 1.3292E-06
        0.320 6.6608E-07
        0.334 2.3724E-07
        0.350 9.2894E-08
        0.365 4.2597E-08
        0.370 3.4660E-08
        0.380 2.8145E-08
        0.390 2.1285E-08
        0.400 1.7951E-08
        0.405 1.6869E-08
        0.420 1.8849E-08
        0.436 1.9567E-08
        0.460 1.9160E-08
        0.500 1.5996E-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 1.0137E-08
        1.530 1.0834E-07
        1.970 8.2302E-07
        2.325 3.9300E-06
        2.500 8.6318E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 2.03e-06 1.19e-08 2.46e-11 3.14e-07 2.45e-10 0.235
    n_d: 1.55232
    V_d: 63.46
    glass_code: 552635.291
    glass_status: standard
    density: 2.91 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 6.2e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 7.3e-06 K<sup>-1</sup>
    ΔP_gF: -0.0005
    climatic_resistance: 3.0
    stain_resistance: 0.0
    acid_resistance: 2.2
    alkali_resistance: 2.0
    phosphate_resistance: 2.0
