# 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 0.88727211 0.00469824067 0.489592425 0.0161818463 1.04865296 104.374975
  - type: tabulated k
    data: |
        0.300 2.6866E-06
        0.310 1.3292E-06
        0.320 6.6608E-07
        0.334 2.3724E-07
        0.350 9.2894E-08
        0.365 4.2597E-08
        0.370 3.4660E-08
        0.380 2.8145E-08
        0.390 2.1285E-08
        0.400 1.7951E-08
        0.405 1.6869E-08
        0.420 1.8849E-08
        0.436 1.9567E-08
        0.460 1.9160E-08
        0.500 1.5996E-08
        0.546 1.2209E-08
        0.580 1.2969E-08
        0.620 1.5852E-08
        0.660 1.4758E-08
        0.700 1.1169E-08
        1.060 1.0137E-08
        1.530 1.0834E-07
        1.970 8.2302E-07
        2.325 3.9300E-06
        2.500 8.6318E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.03e-06 1.19e-08 2.46e-11 3.14e-07 2.45e-10 0.235
    nd: 1.55232
    Vd: 63.46
    glass_code: 552635.291
    glass_status: standard
    density:
      - value: 2910
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
      - temperature_range: 293 573
        value: 7.3e-06
    dPgF: -0.0005
    resistance:
        climatic: 3.0
        stain: 0.0
        acid: 2.2
        alkali: 2.0
        phosphate: 2.0