# 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: |
    lead containing glass type. step 0.5 available        
DATA:
  - type: formula 2
    wavelength_range: 0.35 2.5
    coefficients: 0 1.40301821 0.0105795466 0.231767504 0.0493226978 0.939056586 112.405955
  - type: tabulated k
    data: |
        0.350 1.1077E-06
        0.365 3.8167E-07
        0.370 2.7762E-07
        0.380 1.6845E-07
        0.390 1.0351E-07
        0.400 5.9959E-08
        0.405 4.9943E-08
        0.420 3.3847E-08
        0.436 2.5209E-08
        0.460 1.7677E-08
        0.500 1.1180E-08
        0.546 8.7117E-09
        0.580 9.2541E-09
        0.620 9.8924E-09
        0.660 1.2643E-08
        0.700 8.9305E-09
        1.060 1.3523E-08
        1.530 7.3606E-08
        1.970 8.0161E-07
        2.325 2.5347E-06
        2.500 3.8041E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.1e-06 1.75e-08 -1.29e-11 1.08e-06 1.03e-09 0.249
    nd: 1.64769
    Vd: 33.85
    glass_code: 648339.386
    glass_status: standard
    density:
      - value: 3860
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.4e-06
      - temperature_range: 293 573
        value: 9.2e-06
    dPgF: 0.0017
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 2.0
        alkali: 2.3
        phosphate: 2.0