# 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        
DATA:
  - type: formula 2
    wavelength_range: 0.38 2.5
    coefficients: 0 1.61625977 0.0127534559 0.259229334 0.0581983954 1.07762317 116.60768
  - type: tabulated k
    data: |
        0.380 3.4030E-06
        0.390 1.2343E-06
        0.400 4.7245E-07
        0.405 3.0388E-07
        0.420 1.1147E-07
        0.436 5.5209E-08
        0.460 3.2573E-08
        0.500 1.7604E-08
        0.546 8.7117E-09
        0.580 9.2541E-09
        0.620 1.3863E-08
        0.660 1.4758E-08
        0.700 1.1169E-08
        1.060 1.0137E-08
        1.530 6.3727E-08
        1.970 5.2286E-07
        2.325 2.0310E-06
        2.500 2.9528E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.31e-06 1.59e-08 -4.07e-11 1.28e-06 1.32e-09 0.27
    nd: 1.72825
    Vd: 28.41
    glass_code: 728284.428
    glass_status: standard
    density:
      - value: 4280
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.5e-06
      - temperature_range: 293 573
        value: 8.4e-06
    dPgF: 0.0085
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 1.0
        alkali: 1.2
        phosphate: 2.0