# 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: 0.35 2.5
    coefficients: 0 1.55912923 0.0121481001 0.284246288 0.0534549042 0.968842926 112.174809
  - type: tabulated k
    data: |
        0.350 3.9066E-06
        0.365 8.0532E-07
        0.370 5.2561E-07
        0.380 2.8512E-07
        0.390 1.7288E-07
        0.400 1.0616E-07
        0.405 9.3555E-08
        0.420 5.3183E-08
        0.436 3.3714E-08
        0.460 2.3617E-08
        0.500 1.1180E-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 7.3606E-08
        1.970 6.6068E-07
        2.325 2.3291E-06
        2.500 3.4281E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.84e-06 1.7e-08 -4.52e-11 1.38e-06 1.26e-09 0.259
    nd: 1.71736
    Vd: 29.51
    glass_code: 717295.446
    glass_status: standard
    density:
      - value: 4460
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.1e-06
      - temperature_range: 293 573
        value: 8.8e-06
    dPgF: 0.0042
    resistance:
        climatic: 2.0
        stain: 1.0
        acid: 3.2
        alkali: 2.3
        phosphate: 3.0