# 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: 0.39 2.5
    coefficients: 0 2.0245976 0.0147053225 0.470187196 0.0692998276 2.59970433 161.817601
  - type: tabulated k
    data: |
        0.390 4.8564E-06
        0.400 2.1833E-06
        0.405 1.6879E-06
        0.420 9.2667E-07
        0.436 6.4123E-07
        0.460 4.4089E-07
        0.500 2.9655E-07
        0.546 1.6391E-07
        0.580 1.1423E-07
        0.620 8.4679E-08
        0.660 6.8326E-08
        0.700 5.1846E-08
        1.060 3.0504E-08
        1.530 1.3330E-07
        1.970 8.5169E-07
        2.325 3.3028E-06
        2.500 4.6140E-06
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -4.3e-06 1.15e-08 4.31e-11 9.62e-07 1.62e-09 0.322
    nd: 1.92286
    Vd: 20.88
    glass_code: 923209.400
    glass_status: standard
    density:
      - value: 3996
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.9e-06
      - temperature_range: 293 573
        value: 6.83e-06
    dPgF: 0.0307
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 1.0
        alkali: 1.0
        phosphate: 1.0