# 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 1.67780282 0.012679345 0.282849893 0.0602038419 1.63539276 145.760496
  - type: tabulated k
    data: |
        0.365 6.7492E-06
        0.370 4.0912E-06
        0.380 1.7363E-06
        0.390 9.3465E-07
        0.400 5.9233E-07
        0.405 4.8398E-07
        0.420 2.9498E-07
        0.436 2.0770E-07
        0.460 1.4454E-07
        0.500 8.4990E-08
        0.546 4.0440E-08
        0.580 3.3534E-08
        0.620 4.1885E-08
        0.660 4.6735E-08
        0.700 3.5939E-08
        1.060 3.3758E-09
        1.530 9.8390E-08
        1.970 9.2393E-07
        2.325 3.7558E-06
        2.500 5.0522E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: -4.88e-06 6.57e-09 -2.72e-11 9.67e-07 1.48e-09 0.282
    nd: 1.75513
    Vd: 27.38
    glass_code: 755274.315
    glass_status: standard
    density: 3.145 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 9.45e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 1.087e-05 K<sup>-1</sup>
    dPgF: 0.0118
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.3
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
