# 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        "
DATA:
  - type: formula 2 
    range: 0.334 2.5
    coefficients: 0 1.84910553 0.00999234757 0.329828674 0.0387437988 1.30400901 95.8967681
  - type: tabulated k
    data: |
        0.334 3.7280E-06
        0.350 1.1696E-06
        0.365 5.0050E-07
        0.370 3.8689E-07
        0.380 2.2538E-07
        0.390 1.4467E-07
        0.400 1.0616E-07
        0.405 9.3555E-08
        0.420 6.8574E-08
        0.436 5.2324E-08
        0.460 3.7071E-08
        0.500 2.0826E-08
        0.546 1.3960E-08
        0.580 1.4829E-08
        0.620 1.5852E-08
        0.660 1.4758E-08
        0.700 1.1169E-08
        1.060 6.7549E-09
        1.530 9.3423E-08
        1.970 8.0161E-07
        2.325 4.6985E-06
        2.500 1.2807E-05
SPECS:
    n_is_absolute: false
    λ_is_vacuum: false
    temperature: 20.0 °C
    coefficients_of_thermal_dispersion: 8.04e-06 1.2e-08 -2.19e-11 8.2e-07 9.08e-10 0.209
    n_d: 1.8086
    V_d: 40.46
    glass_code: 809405.454
    glass_status: standard
    density: 4.541 g/cm<sup>3</sup>
    coefficient_of_thermal_expansion_1: 5.9e-06 K<sup>-1</sup>
    coefficient_of_thermal_expansion_2: 7.32e-06 K<sup>-1</sup>
    ΔP_gF: -0.0078
