# 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: 0.35 2.5
    coefficients: 0 1.93502827 0.0104001413 0.23662935 0.0447505292 1.26291344 87.437569
  - type: tabulated k
    data: |
        0.350 4.3583E-06
        0.365 1.3988E-06
        0.370 1.0217E-06
        0.380 5.9789E-07
        0.390 3.9068E-07
        0.400 2.6830E-07
        0.405 2.2477E-07
        0.420 1.5579E-07
        0.436 1.1572E-07
        0.460 7.5105E-08
        0.500 4.0295E-08
        0.546 2.0982E-08
        0.580 1.6691E-08
        0.620 1.3863E-08
        0.660 1.0531E-08
        0.700 1.1169E-08
        1.060 2.0305E-08
        1.530 1.9881E-07
        1.970 1.0191E-06
        2.325 6.2460E-06
        2.500 1.8323E-05
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.77e-06 1.14e-08 -2.68e-12 6.62e-07 8.84e-10 0.234
    nd: 1.8061
    Vd: 40.61
    glass_code: 806406.426
    glass_status: standard
    density:
      - value: 4260
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.49e-06
      - temperature_range: 293 573
        value: 6.66e-06
    dPgF: -0.0052
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 51.3
        alkali: 1.0
        phosphate: 2.0