# 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 1.87543831 0.0141749518 0.37375749 0.0640509927 2.30001797 177.389795
  - type: tabulated k
    data: |
        0.370 8.1356E-06
        0.380 2.9126E-06
        0.390 1.3033E-06
        0.400 7.3825E-07
        0.405 5.9564E-07
        0.420 3.6690E-07
        0.436 2.5859E-07
        0.460 1.8219E-07
        0.500 1.1208E-07
        0.546 5.8321E-08
        0.580 4.2958E-08
        0.620 5.4018E-08
        0.660 6.1825E-08
        0.700 4.7290E-08
        1.060 6.7549E-09
        1.530 9.8390E-08
        1.970 7.0965E-07
        2.325 3.2797E-06
        2.500 4.2801E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: -4.51e-06 8.73e-09 -1.64e-11 1.07e-06 1.57e-09 0.295
    nd: 1.84666
    Vd: 23.78
    glass_code: 847238.353
    glass_status: standard
    density: 3.533 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 8.46e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 9.88e-06 K<sup>-1</sup>
    dPgF: 0.0178
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
