# 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="https://refractiveindex.info/download/data/2017/schott_2017-01-20b.agf">SCHOTT Zemax catalog 2017-01-20b</a> (obtained from <a href="https://www.schott.com/en-us/products/optical-glass-p1000267/downloads/">http://www.schott.com</a>)<br>See also <a href="https://refractiveindex.info/download/data/2017/schott_2017-01-20.pdf">SCHOTT glass data sheets</a>
COMMENTS: |
             
DATA:
  - type: formula 2
    wavelength_range: 0.25 2.5
    coefficients: 0 1.96485075 0.00982060155 0.475231259 0.0344713438 1.48360109 110.739863
  - type: tabulated k
    data: |
        0.334 5.4391E-06
        0.350 2.0006E-06
        0.365 9.2001E-07
        0.370 7.2571E-07
        0.380 4.5763E-07
        0.390 3.0844E-07
        0.400 2.2048E-07
        0.405 1.9144E-07
        0.420 1.3641E-07
        0.436 1.0520E-07
        0.460 7.5105E-08
        0.500 3.5405E-08
        0.546 1.7467E-08
        0.580 1.8555E-08
        0.620 1.9835E-08
        0.660 1.8993E-08
        0.700 1.7897E-08
        1.060 1.6913E-08
        1.530 8.3504E-08
        1.970 5.9139E-07
        2.325 3.5857E-06
        2.500 8.9931E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.67e-06 8.9e-09 -8.73e-12 7.47e-07 7.46e-10 0.207
    nd: 1.883
    Vd: 40.76
    glass_code: 883408.551
    glass_status: standard
    density:
      - value: 5510
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.74e-06
      - temperature_range: 293 573
        value: 7.72e-06
    dPgF: -0.0085
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 2.3
        alkali: 1.0
        phosphate: 1.0