# 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: "i-line glass        "
DATA:
  - type: formula 2 
    wavelength_range: 0.31 2.5
    coefficients: 0 1.28552924 0.0093988626 0.158357622 0.0452566659 0.892175122 110.544829
  - type: tabulated k
    data: |
        0.320 2.4641E-06
        0.334 3.0585E-07
        0.350 4.3161E-08
        0.365 1.0504E-08
        0.370 8.2732E-09
        0.380 6.0631E-09
        0.390 4.9756E-09
        0.400 3.8255E-09
        0.405 3.8733E-09
        0.420 4.0167E-09
        0.436 2.7784E-09
        0.460 2.9314E-09
        0.500 3.1863E-09
        0.546 1.7388E-09
        0.580 1.8471E-09
        0.620 1.9745E-09
        0.660 2.1019E-09
        0.700 2.2293E-09
        1.060 3.3758E-09
        1.530 4.4030E-08
        1.970 1.0044E-06
        2.325 3.4429E-06
        2.500 5.0222E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: -2.26e-06 1.17e-08 -4.14e-11 8.24e-07 7.78e-10 0.232
    nd: 1.58144
    Vd: 40.89
    glass_code: 581409.322
    glass_status: standard
    density: 3.22 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 9.1e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 1.06e-05 K<sup>-1</sup>
    dPgF: -0.0004
    climatic_resistance: 2.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 2.3
    phosphate_resistance: 2.0
