# 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: 0.38 2.5
    coefficients: 0 1.28773667 0.0055754192 0.518244853 0.0223679524 26.1756109 1892.2533
  - type: tabulated k
    data: |
        0.390 5.7169E-06
        0.400 4.0984E-06
        0.405 3.1042E-06
        0.420 1.5233E-06
        0.436 7.8013E-07
        0.460 3.0854E-07
        0.500 1.1550E-07
        0.546 6.3721E-08
        0.580 5.0533E-08
        0.620 4.3902E-08
        0.660 3.8160E-08
        0.700 3.1415E-08
        1.060 1.3523E-08
        1.530 6.3727E-08
        1.970 5.9139E-07
        2.325 5.2793E-06
        2.500 1.4583E-05
PROPERTIES:
    nd: 1.69064
    Vd: 54.76
    glass_code: 691548.353
    glass_status: special
    density:
      - value: 3525
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.34e-06
      - temperature_range: 293 573
        value: 7.56e-06
    dPgF: -0.0055
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 53.0
        alkali: 1.3
        phosphate: 4.3