# 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=\"http://refractiveindex.info/download/data/2017/schott_2017-01-20b.agf\">SCHOTT Zemax catalog 2017-01-20b</a> (obtained from <a href=\"http://www.schott.com/advanced_optics/english/download/\">http://www.schott.com</a>)<br>See also <a href=\"http://refractiveindex.info/download/data/2017/schott_2017-01-20.pdf\">SCHOTT glass data sheets</a>"
COMMENTS: "suitable for precision molding. step 0.5 available        "
DATA:
  - type: formula 2 
    range: 0.334 2.5
    coefficients: 0 1.47460789 0.00986143816 0.193584488 0.0445477583 1.26589974 106.436258
  - type: tabulated k
    data: |
        0.334 2.6852E-06
        0.350 6.4597E-07
        0.365 2.7387E-07
        0.370 2.1945E-07
        0.380 1.5462E-07
        0.390 1.0351E-07
        0.400 7.8782E-08
        0.405 7.1564E-08
        0.420 5.7363E-08
        0.436 4.9445E-08
        0.460 3.8574E-08
        0.500 2.4054E-08
        0.546 1.3960E-08
        0.580 1.2969E-08
        0.620 1.5852E-08
        0.660 1.6874E-08
        0.700 1.3409E-08
        1.060 6.7549E-09
        1.530 1.4834E-07
        1.970 5.9139E-07
        2.325 3.5378E-06
        2.500 8.3542E-06
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 4.54e-06 1.19e-08 2.93e-12 6.89e-07 8.6e-10 0.23
    n_d: 1.65412
    V_d: 39.7
    glass_code: 654397.304
    glass_status: standard
    density: 3.041 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 6.38e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 7.39e-06 K<sup>-1</sup>
    ΔP_gF: -0.006
    climatic_resistance: 1.0
    stain_resistance: 0.0
    acid_resistance: 1.0
    alkali_resistance: 1.0
    phosphate_resistance: 1.0
