# 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 1.75836958 0.00872810026 0.313537785 0.0293020832 1.18925231 85.1780644
  - type: tabulated k
    data: |
        0.310 3.5641E-06
        0.320 2.1855E-06
        0.334 1.1723E-06
        0.350 5.6910E-07
        0.365 2.8125E-07
        0.370 2.2229E-07
        0.380 1.3960E-07
        0.390 9.1425E-08
        0.400 6.5309E-08
        0.405 5.5314E-08
        0.420 3.9343E-08
        0.436 3.0873E-08
        0.460 2.0644E-08
        0.500 1.1180E-08
        0.546 6.9658E-09
        0.580 9.2541E-09
        0.620 9.8924E-09
        0.660 8.4202E-09
        0.700 8.9305E-09
        1.060 6.7549E-09
        1.530 1.3330E-07
        1.970 8.8770E-07
        2.325 5.9260E-06
        2.500 1.5703E-05
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.89e-06 1.02e-08 -1.91e-11 5.88e-07 7.57e-10 0.181
    nd: 1.7725
    Vd: 49.62
    glass_code: 773496.424
    glass_status: standard
    density:
      - value: 4240
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.8e-06
      - temperature_range: 293 573
        value: 7e-06
    dPgF: -0.0085
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 51.3
        alkali: 1.0
        phosphate: 1.0