# 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: 0.35 2.5
    coefficients: 0 1.28385965 0.00825815975 0.0719300942 0.0441920027 1.05048927 107.097324
  - type: tabulated k
    data: |
        0.350 2.2903E-06
        0.365 5.9349E-07
        0.370 4.0337E-07
        0.380 1.9658E-07
        0.390 1.0351E-07
        0.400 5.5961E-08
        0.405 4.5929E-08
        0.420 2.9740E-08
        0.436 2.2385E-08
        0.460 1.7677E-08
        0.500 1.2784E-08
        0.546 8.7117E-09
        0.580 9.2541E-09
        0.620 1.3863E-08
        0.660 1.4758E-08
        0.700 1.1169E-08
        1.060 3.0504E-08
        1.530 1.3330E-07
        1.970 1.3214E-06
        2.325 5.1298E-06
        2.500 9.5809E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 1.14e-06 1.29e-08 -1.46e-11 5.02e-07 5.87e-10 0.219
    n_d: 1.54739
    V_d: 53.63
    glass_code: 547536.261
    glass_status: standard
    density: 2.614 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 7.34e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 8.43e-06 K<sup>-1</sup>
    ΔP_gF: -0.0004
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 2.0
    phosphate_resistance: 1.0
