# 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 1.47343127 0.0109019098 0.163681849 0.0585683687 1.36920899 127.404933
  - type: tabulated k
    data: |
        0.365 5.7648E-06
        0.370 3.3135E-06
        0.380 1.1083E-06
        0.390 4.7876E-07
        0.400 2.3724E-07
        0.405 1.8696E-07
        0.420 1.0278E-07
        0.436 7.2648E-08
        0.460 5.8248E-08
        0.500 4.0295E-08
        0.546 2.4504E-08
        0.580 2.4158E-08
        0.620 3.1832E-08
        0.660 3.3885E-08
        0.700 2.9156E-08
        1.060 1.0137E-08
        1.530 7.8552E-08
        1.970 4.5507E-07
        2.325 2.0310E-06
        2.500 3.1869E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 3.1e-06 1.75e-08 6.62e-11 7.51e-07 8.99e-10 0.277
    n_d: 1.64769
    V_d: 33.82
    glass_code: 648338.272
    glass_status: standard
    density: 2.718 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 6.68e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 7.81e-06 K<sup>-1</sup>
    ΔP_gF: 0.0081
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.2
    phosphate_resistance: 1.0
