# 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: 0.37 2.5
    coefficients: 0 1.87543831 0.0141749518 0.37375749 0.0640509927 2.30001797 177.389795
  - type: tabulated k
    data: |
        0.370 8.1356E-06
        0.380 3.6236E-06
        0.390 1.7210E-06
        0.400 9.8871E-07
        0.405 7.9436E-07
        0.420 4.5788E-07
        0.436 2.9245E-07
        0.460 1.9218E-07
        0.500 1.1550E-07
        0.546 6.1919E-08
        0.580 4.6742E-08
        0.620 5.8078E-08
        0.660 6.6157E-08
        0.700 5.1846E-08
        1.060 1.0137E-08
        1.530 9.8390E-08
        1.970 7.0965E-07
        2.325 3.2797E-06
        2.500 4.2801E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: -4.51e-06 8.73e-09 -1.64e-11 1.07e-06 1.57e-09 0.295
    n_d: 1.84666
    V_d: 23.78
    glass_code: 847238.353
    glass_status: standard
    density: 3.533 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 8.46e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 9.88e-06 K<sup>-1</sup>
    ΔP_gF: 0.0178
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
