# 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: 0.37 2.5
    coefficients: 0 1.73759695 0.013188707 0.313747346 0.0623068142 1.89878101 155.23629
  - type: tabulated k
    data: |
        0.370 7.3192E-06
        0.380 2.5646E-06
        0.390 1.1689E-06
        0.400 6.5040E-07
        0.405 5.1628E-07
        0.420 2.8171E-07
        0.436 1.9327E-07
        0.460 1.2209E-07
        0.500 7.6618E-08
        0.546 3.8662E-08
        0.580 2.9778E-08
        0.620 3.7858E-08
        0.660 4.0300E-08
        0.700 3.3676E-08
        1.060 6.7549E-09
        1.530 7.3606E-08
        1.970 5.5703E-07
        2.325 2.6396E-06
        2.500 3.8041E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -3.56e-06 9.2e-09 -2.1e-11 9.65e-07 1.44e-09 0.294
    nd: 1.78472
    Vd: 25.68
    glass_code: 785257.322
    glass_status: standard
    density:
      - value: 3224
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.52e-06
      - temperature_range: 293 573
        value: 9.85e-06
    dPgF: 0.015
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 1.0
        alkali: 1.0
        phosphate: 1.0