# 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: |
             
DATA:
  - type: formula 2
    wavelength_range: 0.31 2.5
    coefficients: 0 1.14229781 0.00585778594 0.535138441 0.0198546147 1.04088385 100.834017
  - type: tabulated k
    data: |
        0.310 3.8602E-06
        0.320 2.3454E-06
        0.334 1.1161E-06
        0.350 4.7139E-07
        0.365 2.0257E-07
        0.370 1.5996E-07
        0.380 1.0086E-07
        0.390 6.3676E-08
        0.400 4.6682E-08
        0.405 4.1927E-08
        0.420 3.6593E-08
        0.436 3.5137E-08
        0.460 2.9581E-08
        0.500 1.9214E-08
        0.546 1.2209E-08
        0.580 1.2969E-08
        0.620 1.7842E-08
        0.660 1.6874E-08
        0.700 1.3409E-08
        1.060 2.0305E-08
        1.530 1.0834E-07
        1.970 6.6068E-07
        2.325 3.5378E-06
        2.500 7.9120E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.36e-06 1.49e-08 -1.29e-11 3.41e-07 2.09e-10 0.262
    nd: 1.65113
    Vd: 55.89
    glass_code: 651559.377
    glass_status: standard
    density:
      - value: 3768
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.6e-06
      - temperature_range: 293 573
        value: 7.4e-06
    dPgF: -0.0031
    resistance:
        climatic: 2.0
        stain: 2.0
        acid: 51.2
        alkali: 1.0
        phosphate: 2.3