# 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: 0.37 2.5
    coefficients: 0 1.55075812 0.0114338344 0.209816918 0.0582725652 1.46205491 133.24165
  - type: tabulated k
    data: |
        0.370 3.1319E-06
        0.380 1.2026E-06
        0.390 5.7357E-07
        0.400 3.3278E-07
        0.405 2.7165E-07
        0.420 1.7090E-07
        0.436 1.2480E-07
        0.460 9.0600E-08
        0.500 6.0004E-08
        0.546 2.9800E-08
        0.580 2.6029E-08
        0.620 3.3838E-08
        0.660 3.6021E-08
        0.700 2.9156E-08
        1.060 2.3702E-08
        1.530 1.4834E-07
        1.970 8.7327E-07
        2.325 3.7805E-06
        2.500 5.8407E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.94e-06 9.7e-09 -2.34e-11 8.32e-07 1.15e-09 0.276
    nd: 1.68894
    Vd: 31.31
    glass_code: 689313.290
    glass_status: standard
    density:
      - value: 2904
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.56e-06
      - temperature_range: 293 573
        value: 9.92e-06
    dPgF: 0.0087
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 1.0
        alkali: 1.0
        phosphate: 1.0