# 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: 0.35 2.5
    coefficients: 0 1.73155854 0.00953833914 0.150874455 0.0407887211 1.06586596 98.0758545
  - type: tabulated k
    data: |
        0.350 3.1344E-06
        0.365 1.0079E-06
        0.370 7.2571E-07
        0.380 3.9735E-07
        0.390 2.3131E-07
        0.400 1.4838E-07
        0.405 1.2158E-07
        0.420 8.2721E-08
        0.436 6.3901E-08
        0.460 4.7621E-08
        0.500 2.4054E-08
        0.546 1.2209E-08
        0.580 1.2969E-08
        0.620 1.3863E-08
        0.660 1.4758E-08
        0.700 1.5652E-08
        1.060 2.3702E-08
        1.530 9.8390E-08
        1.970 8.0161E-07
        2.325 4.0314E-06
        2.500 9.3200E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.35e-06 1.07e-08 -9.38e-12 5.72e-07 6.01e-10 0.22
    nd: 1.717
    Vd: 47.96
    glass_code: 717480.414
    glass_status: special
    density:
      - value: 4140
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.6e-06
      - temperature_range: 293 573
        value: 8.7e-06
    dPgF: -0.0028
    resistance:
        climatic: 2.0
        stain: 3.0
        acid: 52.3
        alkali: 1.2
        phosphate: 3.3