# 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: |
    inquiry glass        
DATA:
  - type: formula 2
    wavelength_range: 0.334 2.5
    coefficients: 0 1.30417786 0.00695051276 0.28584116 0.0232023703 0.974781572 99.016884
  - type: tabulated k
    data: |
        0.334 1.8231E-06
        0.350 6.4001E-07
        0.365 2.5926E-07
        0.370 1.9141E-07
        0.380 1.1408E-07
        0.390 7.5493E-08
        0.400 5.1976E-08
        0.405 4.4594E-08
        0.420 3.5219E-08
        0.436 3.0873E-08
        0.460 2.6596E-08
        0.500 1.5996E-08
        0.546 1.2209E-08
        0.580 1.2969E-08
        0.620 1.5852E-08
        0.660 1.6874E-08
        0.700 1.3409E-08
        1.060 3.0504E-08
        1.530 1.2330E-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: 4.92e-07 1.2e-08 -2.96e-12 4.66e-07 5.16e-10 0.179
    nd: 1.62296
    Vd: 58.02
    glass_code: 623580.362
    glass_status: special
    density:
      - value: 3620
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.7e-06
      - temperature_range: 293 573
        value: 7.6e-06
    dPgF: -0.0009
    resistance:
        climatic: 3.0
        stain: 3.0
        acid: 52.2
        alkali: 2.0
        phosphate: 3.2