# 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: 0.365 2.5
    coefficients: 0 1.61957826 0.0125502104 0.339493189 0.0544559822 1.02566931 117.652222
  - type: tabulated k
    data: |
        0.365 1.4790E-06
        0.370 9.4044E-07
        0.380 4.4883E-07
        0.390 2.4636E-07
        0.400 1.4838E-07
        0.405 1.2158E-07
        0.420 6.8574E-08
        0.436 4.6571E-08
        0.460 2.9581E-08
        0.500 1.4389E-08
        0.546 6.9658E-09
        0.580 7.3996E-09
        0.620 9.8924E-09
        0.660 1.0531E-08
        0.700 8.9305E-09
        1.060 1.3523E-08
        1.530 5.3868E-08
        1.970 5.9139E-07
        2.325 2.2284E-06
        2.500 3.3066E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.6e-06 1.7e-08 -5.27e-11 1.54e-06 1.46e-09 0.266
    nd: 1.7552
    Vd: 27.58
    glass_code: 755276.479
    glass_status: standard
    density:
      - value: 4790
    thermal_expansion:
      - temperature_range: 243 343
        value: 8e-06
      - temperature_range: 293 573
        value: 8.9e-06
    dPgF: 0.0062
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 4.3
        alkali: 2.3
        phosphate: 3.3