# 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: 0.35 2.5
    coefficients: 0 1.31004128 0.0079659645 0.142038259 0.0330672072 0.964929351 109.19732
  - type: tabulated k
    data: |
        0.350 1.0780E-06
        0.365 3.3424E-07
        0.370 2.3372E-07
        0.380 1.2744E-07
        0.390 7.6813E-08
        0.400 4.6682E-08
        0.405 3.9267E-08
        0.420 2.5646E-08
        0.436 2.3796E-08
        0.460 2.0644E-08
        0.500 1.1180E-08
        0.546 8.7117E-09
        0.580 7.3996E-09
        0.620 9.8924E-09
        0.660 1.0531E-08
        0.700 6.6946E-09
        1.060 2.3702E-08
        1.530 7.8552E-08
        1.970 5.2286E-07
        2.325 2.2284E-06
        2.500 4.3348E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 5.33e-06 1.47e-08 -1.58e-11 5.75e-07 6.58e-10 0.195
    n_d: 1.57956
    V_d: 53.87
    glass_code: 580539.311
    glass_status: standard
    density: 3.111 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 6.52e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 7.41e-06 K<sup>-1</sup>
    ΔP_gF: -0.0012
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
