# 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: |
    i-line glass        
DATA:
  - type: formula 2
    wavelength_range: 0.25 2.5
    coefficients: 0 0.90936218 0.0052014247 0.279077054 0.0158938446 0.891813298 95.9109448
  - type: tabulated k
    data: |
        0.250 4.9454E-06
        0.260 2.4793E-06
        0.270 1.3013E-06
        0.280 6.0013E-07
        0.290 2.5333E-07
        0.300 1.0061E-07
        0.310 4.2339E-08
        0.320 2.1618E-08
        0.334 1.1760E-08
        0.350 6.7046E-09
        0.365 4.6566E-09
        0.370 4.7204E-09
        0.380 4.8480E-09
        0.390 3.7298E-09
        0.400 3.8255E-09
        0.405 3.8733E-09
        0.420 4.0167E-09
        0.436 5.5625E-09
        0.460 7.3395E-09
        0.500 9.5781E-09
        0.546 8.7117E-09
        0.580 9.2541E-09
        0.620 1.1877E-08
        0.660 1.0531E-08
        0.700 6.6946E-09
        1.060 6.7549E-09
        1.530 1.7351E-07
        1.970 4.5507E-07
        2.325 3.4429E-06
        2.500 7.5958E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -7.47e-06 1.58e-08 -1.23e-11 3.58e-07 4.03e-10 0.164
    nd: 1.48748
    Vd: 70.47
    glass_code: 487705.245
    glass_status: standard
    density:
      - value: 2450
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.2e-06
      - temperature_range: 293 573
        value: 1e-05
    dPgF: 0.0036
    resistance:
        climatic: 2.0
        stain: 1.0
        acid: 4.0
        alkali: 2.0
        phosphate: 2.3