# 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: 0.35 2.5
    coefficients: 0 1.19286778 0.00839154696 0.0893346571 0.0404010786 0.920819805 112.572446
  - type: tabulated k
    data: |
        0.350 1.7387E-06
        0.365 4.4807E-07
        0.370 3.0782E-07
        0.380 1.5462E-07
        0.390 7.6813E-08
        0.400 4.5362E-08
        0.405 3.2639E-08
        0.420 2.0205E-08
        0.436 1.6755E-08
        0.460 1.4716E-08
        0.500 9.5781E-09
        0.546 6.9658E-09
        0.580 7.3996E-09
        0.620 1.1877E-08
        0.660 1.0531E-08
        0.700 6.6946E-09
        1.060 1.6913E-08
        1.530 9.3423E-08
        1.970 1.8881E-06
        2.325 6.2460E-06
        2.500 9.5809E-06
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 20.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: -1.66e-06 8.44e-09 -1.01e-11 6.1e-07 6.96e-10 0.217
    nd: 1.52346
    Vd: 51.54
    glass_code: 523515.250
    glass_status: standard
    density: 2.499 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 9.61e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 1.095e-05 K<sup>-1</sup>
    dPgF: -0.0014
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
