# 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: 0.3 2.5
    coefficients: 0 1.01662154 0.00592383763 0.319903051 0.0203828415 0.937232995 113.118417
  - type: tabulated k
    data: |
        0.300 2.1988E-06
        0.310 9.0416E-07
        0.320 3.6331E-07
        0.334 1.0027E-07
        0.350 3.2786E-08
        0.365 1.6381E-08
        0.370 1.3027E-08
        0.380 1.2157E-08
        0.390 9.9712E-09
        0.400 8.9440E-09
        0.405 9.0558E-09
        0.420 9.3912E-09
        0.436 1.1147E-08
        0.460 1.1761E-08
        0.500 9.5781E-09
        0.546 8.7117E-09
        0.580 9.2541E-09
        0.620 1.1877E-08
        0.660 1.0531E-08
        0.700 8.9305E-09
        1.060 1.0137E-08
        1.530 7.8552E-08
        1.970 1.0191E-06
        2.325 3.4194E-06
        2.500 5.5159E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: -1.45e-06 1.1e-08 4.89e-12 5.16e-07 3.05e-10 0.164
    n_d: 1.53996
    V_d: 59.71
    glass_code: 540597.286
    glass_status: standard
    density: 2.86 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 8e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 9e-06 K<sup>-1</sup>
    ΔP_gF: 0.0004
    climatic_resistance: 2.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 2.3
