# 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: "inquiry glass        "
DATA:
  - type: formula 2 
    range: 0.38 2.5
    coefficients: 0 1.28887331 0.0092001566 0.162818811 0.0456954308 10.5579792 1275.44015
  - type: tabulated k
    data: |
        0.390 3.3012E-06
        0.400 1.7960E-06
        0.405 1.3534E-06
        0.420 6.1346E-07
        0.436 3.0104E-07
        0.460 1.2528E-07
        0.500 6.0004E-08
        0.546 3.6886E-08
        0.580 2.9778E-08
        0.620 2.5824E-08
        0.660 2.3237E-08
        0.700 1.7897E-08
        1.060 6.7549E-09
        1.530 7.3606E-08
        1.970 1.4386E-06
        2.325 4.8395E-06
        2.500 7.2916E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    n_d: 1.58397
    V_d: 40.83
    glass_code: 584408.322
    glass_status: special
    density: 3.221 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 9.3e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 1.066e-05 K<sup>-1</sup>
    ΔP_gF: 0.0008
    climatic_resistance: 2.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.3
    phosphate_resistance: 2.3
