# 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: 0.35 2.5
    coefficients: 0 1.59222659 0.00920284626 0.103520774 0.0423530072 1.05174016 106.927374
  - type: tabulated k
    data: |
        0.350 3.1344E-06
        0.365 9.2773E-07
        0.370 6.4155E-07
        0.380 3.3195E-07
        0.390 1.8723E-07
        0.400 1.3415E-07
        0.405 1.2158E-07
        0.420 8.2721E-08
        0.436 6.2449E-08
        0.460 4.7621E-08
        0.500 2.8909E-08
        0.546 1.7467E-08
        0.580 1.2969E-08
        0.620 1.5852E-08
        0.660 1.6874E-08
        0.700 1.5652E-08
        1.060 3.3911E-08
        1.530 9.8390E-08
        1.970 5.9139E-07
        2.325 3.0751E-06
        2.500 6.3543E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 7.29e-07 1.17e-08 -1.5e-11 6.08e-07 7.66e-10 0.189
    nd: 1.65844
    Vd: 50.88
    glass_code: 658509.371
    glass_status: standard
    density:
      - value: 3710
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.8e-06
      - temperature_range: 293 573
        value: 8e-06
    dPgF: -0.0007
    resistance:
        climatic: 2.0
        stain: 3.0
        acid: 52.2
        alkali: 2.2
        phosphate: 3.2