# 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: 0.3 2.5
    coefficients: 0 1.07715032 0.00676601657 0.168079109 0.0230642817 0.851889892 89.0498778
  - type: tabulated k
    data: |
        0.300 3.3485E-06
        0.310 1.7485E-06
        0.320 9.5911E-07
        0.334 4.2577E-07
        0.350 1.6803E-07
        0.365 8.4315E-08
        0.370 7.2874E-08
        0.380 5.4428E-08
        0.390 3.9093E-08
        0.400 3.2236E-08
        0.405 2.9997E-08
        0.420 2.5646E-08
        0.436 2.2385E-08
        0.460 1.7677E-08
        0.500 1.1180E-08
        0.546 8.7117E-09
        0.580 9.2541E-09
        0.620 1.1877E-08
        0.660 1.2643E-08
        0.700 8.9305E-09
        1.060 2.0305E-08
        1.530 1.1831E-07
        1.970 4.5507E-07
        2.325 3.0751E-06
        2.500 8.3542E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.15e-05 1.73e-08 -8.06e-11 4.32e-07 7.05e-10 0.179
    nd: 1.50847
    Vd: 61.19
    glass_code: 508612.249
    glass_status: standard
    density:
      - value: 2490
    thermal_expansion:
      - temperature_range: 243 343
        value: 4.5e-06
      - temperature_range: 293 573
        value: 5.2e-06
    dPgF: -0.0039
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 2.0
        alkali: 1.2
        phosphate: 2.2