# 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 
    wavelength_range: 0.37 2.5
    coefficients: 0 2.16701566 0.0123595524 0.319812761 0.0560610282 1.66004486 107.047718
  - type: tabulated k
    data: |
        0.370 5.0274E-06
        0.380 2.0742E-06
        0.390 1.0769E-06
        0.400 6.5040E-07
        0.405 5.3566E-07
        0.420 3.3217E-07
        0.436 2.2555E-07
        0.460 1.5427E-07
        0.500 8.1636E-08
        0.546 3.8662E-08
        0.580 3.3534E-08
        0.620 3.3838E-08
        0.660 3.1751E-08
        0.700 2.4646E-08
        1.060 1.0137E-08
        1.530 1.1332E-07
        1.970 7.3075E-07
        2.325 4.2911E-06
        2.500 1.1695E-05
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 3.53e-06 1.24e-08 -1.87e-11 8.39e-07 1.04e-09 0.275
    nd: 1.90366
    Vd: 31.32
    glass_code: 904313.445
    glass_status: standard
    density: 4.449 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 6e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 7.15e-06 K<sup>-1</sup>
    dPgF: 0.0042
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 3.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
