# 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: |
    was replaced by N-LASF46A
DATA:
  - type: formula 2
    wavelength_range: 0.38 2.5
    coefficients: 0 2.18073678 0.0125642118 0.298978656 0.056469999 1.62190046 105.662819
  - type: tabulated k
    data: |
        0.380 5.5703E-06
        0.390 3.7189E-06
        0.400 2.5033E-06
        0.405 2.0748E-06
        0.420 1.2588E-06
        0.436 8.2970E-07
        0.460 5.0148E-07
        0.500 2.4004E-07
        0.546 1.0016E-07
        0.580 6.1952E-08
        0.620 4.1885E-08
        0.660 2.9620E-08
        0.700 1.7897E-08
        1.060 1.6913E-08
        1.530 9.3423E-08
        1.970 5.9139E-07
        2.325 3.7805E-06
        2.500 1.1032E-05
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.6e-06 1.2e-08 -2.68e-11 8.42e-07 1.15e-09 0.272
    nd: 1.90138E+00
    Vd: 3.16400E+01
    glass_code: 901316.446
    glass_status: preferred
    density:
      - value: 4460
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.02e-06
      - temperature_range: 293 573
        value: 7.23e-06
    dPgF: 0.0035
    resistance:
        climatic: 1.0
        stain: 0.0
        acid: 3.3
        alkali: 1.0
        phosphate: 1.0