# 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: 0.37 2.5
    coefficients: 0 1.59163762 0.0118623434 0.219908428 0.0594585499 1.46929315 133.310762
  - type: tabulated k
    data: |
        0.370 4.6074E-06
        0.380 1.8315E-06
        0.390 9.1116E-07
        0.400 5.0990E-07
        0.405 4.0571E-07
        0.420 2.2833E-07
        0.436 1.5395E-07
        0.460 1.0626E-07
        0.500 6.3313E-08
        0.546 3.1568E-08
        0.580 2.9778E-08
        0.620 3.7858E-08
        0.660 4.2443E-08
        0.700 3.3676E-08
        1.060 1.3523E-08
        1.530 1.0336E-07
        1.970 8.0161E-07
        2.325 3.3028E-06
        2.500 5.2038E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: -2.06e-06 9.78e-09 -1.67e-11 8.67e-07 1.23e-09 0.279
    n_d: 1.70591
    V_d: 30.23
    glass_code: 706302.299
    glass_status: special
    density: 2.989 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 8.48e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 9.78e-06 K<sup>-1</sup>
    ΔP_gF: 0.0099
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.2
    phosphate_resistance: 1.0
