# 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: 0.365 2.5
    coefficients: 0 1.65554268 0.0104485644 0.17131977 0.0499394756 1.33664448 118.961472
  - type: tabulated k
    data: |
        0.365 1.7592E-06
        0.370 1.1710E-06
        0.380 5.9789E-07
        0.390 3.5713E-07
        0.400 2.5268E-07
        0.405 2.2477E-07
        0.420 1.7090E-07
        0.436 1.4622E-07
        0.460 1.2209E-07
        0.500 9.8478E-08
        0.546 8.9146E-08
        0.580 9.6642E-08
        0.620 1.0331E-07
        0.660 9.6731E-08
        0.700 6.7868E-08
        1.060 5.0995E-08
        1.530 1.4834E-07
        1.970 6.6068E-07
        2.325 2.9638E-06
        2.500 6.3543E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 1.6e-06 1.02e-08 -2.68e-11 7.87e-07 9.65e-10 0.229
    n_d: 1.704
    V_d: 39.38
    glass_code: 704394.320
    glass_status: standard
    density: 3.2 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 7.3e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 8.7e-06 K<sup>-1</sup>
    ΔP_gF: -0.0006
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 3.2
    alkali_resistance: 1.2
    phosphate_resistance: 1.0
