# 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 1.87543831 0.0141749518 0.37375749 0.0640509927 2.30001797 177.389795
  - type: tabulated k
    data: |
        0.370 8.1356E-06
        0.380 2.9126E-06
        0.390 1.3033E-06
        0.400 7.3825E-07
        0.405 5.9564E-07
        0.420 3.6690E-07
        0.436 2.5859E-07
        0.460 1.8219E-07
        0.500 1.1208E-07
        0.546 5.8321E-08
        0.580 4.2958E-08
        0.620 5.4018E-08
        0.660 6.1825E-08
        0.700 4.7290E-08
        1.060 6.7549E-09
        1.530 9.8390E-08
        1.970 7.0965E-07
        2.325 3.2797E-06
        2.500 4.2801E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -4.51e-06 8.73e-09 -1.64e-11 1.07e-06 1.57e-09 0.295
    nd: 1.84666
    Vd: 23.78
    glass_code: 847238.353
    glass_status: standard
    density:
      - value: 3533
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.46e-06
      - temperature_range: 293 573
        value: 9.88e-06
    dPgF: 0.0178
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 1.0
        alkali: 1.0
        phosphate: 1.0