# 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: |
    inquiry glass        
DATA:
  - type: formula 2
    wavelength_range: 0.37 2.5
    coefficients: 0 1.52005444 0.01096144 0.17573947 0.0593248486 1.43623424 126.795151
  - type: tabulated k
    data: |
        0.370 3.5282E-06
        0.380 1.3410E-06
        0.390 5.9344E-07
        0.400 3.3278E-07
        0.405 2.7165E-07
        0.420 1.7090E-07
        0.436 1.2328E-07
        0.460 9.5280E-08
        0.500 6.4970E-08
        0.546 4.0440E-08
        0.580 3.7298E-08
        0.620 4.3902E-08
        0.660 4.2443E-08
        0.700 3.3676E-08
        1.060 3.7321E-08
        1.530 1.4834E-07
        1.970 7.3075E-07
        2.325 3.5378E-06
        2.500 6.5332E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.32e-06 1.22e-08 -1.36e-11 7.64e-07 1.09e-09 0.279
    nd: 1.66679
    Vd: 33.12
    glass_code: 667331.290
    glass_status: special
    density:
      - value: 2900
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.2e-06
      - temperature_range: 293 573
        value: 8.3e-06
    dPgF: 0.0095
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 1.0
        alkali: 1.2
        phosphate: 1.0