# 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 0.936155374 0.00461716525 0.594052018 0.016885927 1.04374583 103.736265
  - type: tabulated k
    data: |
        0.310 2.6241E-06
        0.320 1.5423E-06
        0.334 6.9523E-07
        0.350 2.6261E-07
        0.365 1.0957E-07
        0.370 8.5470E-08
        0.380 5.9499E-08
        0.390 3.7812E-08
        0.400 3.2236E-08
        0.405 2.8678E-08
        0.420 2.2923E-08
        0.436 2.0975E-08
        0.460 1.7677E-08
        0.500 1.1180E-08
        0.546 8.7117E-09
        0.580 9.2541E-09
        0.620 9.8924E-09
        0.660 1.0531E-08
        0.700 1.1169E-08
        1.060 2.0305E-08
        1.530 9.8390E-08
        1.970 6.6068E-07
        2.325 3.4194E-06
        2.500 7.6998E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 1.58e-06 1.22e-08 -8.04e-12 4.46e-07 5.22e-10 0.15
    n_d: 1.60311
    V_d: 60.6
    glass_code: 603606.344
    glass_status: standard
    density: 3.44 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 6e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 7.3e-06 K<sup>-1</sup>
    ΔP_gF: -0.0003
    climatic_resistance: 4.0
    stain_resistance: 2.0
    acid_resistance: 51.3
    alkali_resistance: 2.0
    phosphate_resistance: 2.3
