# 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 1.14229781 0.00585778594 0.535138441 0.0198546147 1.04088385 100.834017
  - type: tabulated k
    data: |
        0.310 3.8602E-06
        0.320 2.3454E-06
        0.334 1.1161E-06
        0.350 4.7139E-07
        0.365 2.0257E-07
        0.370 1.5996E-07
        0.380 1.0086E-07
        0.390 6.3676E-08
        0.400 4.6682E-08
        0.405 4.1927E-08
        0.420 3.6593E-08
        0.436 3.5137E-08
        0.460 2.9581E-08
        0.500 1.9214E-08
        0.546 1.2209E-08
        0.580 1.2969E-08
        0.620 1.7842E-08
        0.660 1.6874E-08
        0.700 1.3409E-08
        1.060 2.0305E-08
        1.530 1.0834E-07
        1.970 6.6068E-07
        2.325 3.5378E-06
        2.500 7.9120E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 1.36e-06 1.49e-08 -1.29e-11 3.41e-07 2.09e-10 0.262
    n_d: 1.65113
    V_d: 55.89
    glass_code: 651559.377
    glass_status: standard
    density: 3.768 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 6.6e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 7.4e-06 K<sup>-1</sup>
    ΔP_gF: -0.0031
    climatic_resistance: 2.0
    stain_resistance: 2.0
    acid_resistance: 51.2
    alkali_resistance: 1.0
    phosphate_resistance: 2.3
