Optical constants of SCHOTT - LaF (Lanthanum flint)
N-LAF35
Wavelength:
µm
(0.31–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.51697436λ^2}{λ^2-0.00750943203}+\frac{0.455875464λ^2}{λ^2-0.0260046715}+\frac{1.07469242λ^2}{λ^2-80.5945159}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 8.98e-06 1.26e-08 -1.23e-11 6.24e-07 6.86e-10 0.194 nd: 1.7433 Vd: 49.4 glass_code: 743494.412 glass_status: standard density: 4.115 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 5.27e-06 K-1 - temperature_range: 20 300 °C coefficient: 6.38e-06 K-1 dPgF: -0.0084 climatic_resistance: 2.0 stain_resistance: 1.0 acid_resistance: 52.3 alkali_resistance: 1.0 phosphate_resistance: 3.3
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets