# 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: 0.365 2.5
    coefficients: 0 1.74028764 0.010792558 0.226710554 0.0538626639 1.32525548 106.268665
  - type: tabulated k
    data: |
        0.365 5.1386E-06
        0.370 3.5282E-06
        0.380 2.0088E-06
        0.390 1.3033E-06
        0.400 9.0827E-07
        0.405 7.9436E-07
        0.420 5.1559E-07
        0.436 3.6273E-07
        0.460 2.3796E-07
        0.500 1.1550E-07
        0.546 5.2937E-08
        0.580 3.7298E-08
        0.620 2.9827E-08
        0.660 2.5363E-08
        0.700 1.7897E-08
        1.060 1.3523E-08
        1.530 4.8947E-08
        1.970 3.8800E-07
        2.325 2.6396E-06
        2.500 7.6998E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 9.21e-07 1.1e-08 -1.75e-11 7.67e-07 1.1e-09 0.264
    nd: 1.7495
    Vd: 34.82
    glass_code: 749348.373
    glass_status: standard
    density: 3.73 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 7.3e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 8.39e-06 K<sup>-1</sup>
    dPgF: 0.0042
    climatic_resistance: 1.0
    stain_resistance: 2.0
    acid_resistance: 51.3
    alkali_resistance: 1.2
    phosphate_resistance: 1.2
