# 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 1.34317774 0.00704687339 0.241144399 0.0229005 0.994317969 92.7508526
  - type: tabulated k
    data: |
        0.310 3.8602E-06
        0.320 2.2483E-06
        0.334 9.7416E-07
        0.350 3.9737E-07
        0.365 1.7523E-07
        0.370 1.3725E-07
        0.380 8.7780E-08
        0.390 5.5860E-08
        0.400 3.8782E-08
        0.405 3.3961E-08
        0.420 2.8374E-08
        0.436 2.6623E-08
        0.460 2.3617E-08
        0.500 1.4389E-08
        0.546 1.0459E-08
        0.580 1.1111E-08
        0.620 1.3863E-08
        0.660 1.2643E-08
        0.700 8.9305E-09
        1.060 1.6913E-08
        1.530 1.3330E-07
        1.970 8.0161E-07
        2.325 4.5602E-06
        2.500 1.0720E-05
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: -2.37e-08 1.32e-08 -1.29e-11 4.09e-07 5.17e-10 0.17
    n_d: 1.62041
    V_d: 60.32
    glass_code: 620603.358
    glass_status: standard
    density: 3.58 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 6.3e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 7.3e-06 K<sup>-1</sup>
    ΔP_gF: -0.0011
    climatic_resistance: 4.0
    stain_resistance: 4.0
    acid_resistance: 53.3
    alkali_resistance: 3.3
    phosphate_resistance: 3.2
