# 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        
DATA:
  - type: formula 2
    wavelength_range: 0.39 2.5
    coefficients: 0 1.73848403 0.0136068604 0.311168974 0.0615960463 1.17490871 121.922711
  - type: tabulated k
    data: |
        0.390 5.7169E-06
        0.400 2.0492E-06
        0.405 1.3908E-06
        0.420 4.7684E-07
        0.436 2.0932E-07
        0.460 9.0600E-08
        0.500 3.8663E-08
        0.546 1.9224E-08
        0.580 1.6691E-08
        0.620 1.7842E-08
        0.660 1.8993E-08
        0.700 1.5652E-08
        1.060 1.0137E-08
        1.530 8.8461E-08
        1.970 4.5507E-07
        2.325 2.6396E-06
        2.500 3.9335E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.12e-05 1.81e-08 -5.03e-11 1.46e-06 1.58e-09 0.282
    nd: 1.78472
    Vd: 25.76
    glass_code: 785258.474
    glass_status: standard
    density:
      - value: 4740
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.1e-06
      - temperature_range: 293 573
        value: 6.8e-06
    dPgF: 0.0142
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 1.0
        alkali: 1.2
        phosphate: 1.0