# 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: "suitable for precision molding        "
DATA:
  - type: formula 2 
    wavelength_range: 0.365 2.5
    coefficients: 0 2.17988922 0.0125805384 0.306495184 0.0567191367 1.56882437 105.316538
  - type: tabulated k
    data: |
        0.370 4.5499E-06
        0.380 1.7777E-06
        0.390 8.8556E-07
        0.400 5.2905E-07
        0.405 4.4152E-07
        0.420 2.6531E-07
        0.436 1.9327E-07
        0.460 1.3809E-07
        0.500 7.8289E-08
        0.546 4.5785E-08
        0.580 3.3534E-08
        0.620 2.5824E-08
        0.660 2.1114E-08
        0.700 1.7897E-08
        1.060 1.3523E-08
        1.530 1.1332E-07
        1.970 7.3075E-07
        2.325 4.4244E-06
        2.500 1.1695E-05
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 5.98e-06 1.3e-08 -3.5e-12 9.13e-07 1.24e-09 0.267
    nd: 1.90366
    Vd: 31.32
    glass_code: 904313.451
    glass_status: standard
    density: 4.51 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 5.97e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 7.11e-06 K<sup>-1</sup>
    dPgF: 0.0045
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 3.3
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
