# 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 2.45505861 0.0135670404 0.453006077 0.054580302 2.3851308 167.904715
  - type: tabulated k
    data: |
        0.380 3.6236E-06
        0.390 2.1288E-06
        0.400 1.4508E-06
        0.405 1.2139E-06
        0.420 7.9925E-07
        0.436 5.5580E-07
        0.460 3.7511E-07
        0.500 2.1434E-07
        0.546 1.0200E-07
        0.580 7.1523E-08
        0.620 6.2148E-08
        0.660 5.5345E-08
        0.700 4.2743E-08
        1.060 2.0305E-08
        1.530 6.3727E-08
        1.970 4.2816E-07
        2.325 2.4312E-06
        2.500 4.7574E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 1.43e-07 8.71e-09 -2.71e-11 1.02e-06 1.5e-09 0.263
    nd: 2.02204
    Vd: 29.06
    glass_status: standard
    density: 5.41 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 7.4e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 8.5e-06 K<sup>-1</sup>
    dPgF: 0.0033
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.3
    alkali_resistance: 1.0
    phosphate_resistance: 1.3
