# 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: |
    XLD glass        
DATA:
  - type: formula 2
    wavelength_range: 0.26 2.5
    coefficients: 0 0.738042712 0.00339065607 0.363371967 0.0117551189 0.989296264 212.842145
  - type: tabulated k
    data: |
        0.260 4.3849E-06
        0.270 3.9579E-06
        0.280 3.1868E-06
        0.290 2.3315E-06
        0.300 1.5369E-06
        0.310 9.0416E-07
        0.320 5.0349E-07
        0.334 1.9810E-07
        0.350 6.8934E-08
        0.365 2.9415E-08
        0.370 2.3794E-08
        0.380 1.5828E-08
        0.390 1.2477E-08
        0.400 1.1511E-08
        0.405 1.1655E-08
        0.420 1.2087E-08
        0.436 1.2547E-08
        0.460 1.1761E-08
        0.500 9.5781E-09
        0.546 8.7117E-09
        0.580 1.1111E-08
        0.620 1.1877E-08
        0.660 1.4758E-08
        0.700 1.5652E-08
        1.060 1.6913E-08
        1.530 9.7500E-09
        1.970 1.2554E-08
        2.325 2.9662E-08
        2.500 5.5900E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.05e-05 -6.33e-09 4.13e-11 3.84e-07 1.63e-10 0.073
    nd: 1.456
    Vd: 90.9
    glass_code: 456909.365
    glass_status: standard
    density:
      - value: 3646
    thermal_expansion:
      - temperature_range: 243 343
        value: 1.367e-05
      - temperature_range: 293 573
        value: 1.572e-05
    dPgF: 0.0438
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 52.3
        alkali: 3.3
        phosphate: 4.3