Optical constants of SCHOTT - LaF (Lanthanum flint)
N-LAF3
Wavelength:
µm
(0.35–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.73155854λ^2}{λ^2-0.00953833914}+\frac{0.150874455λ^2}{λ^2-0.0407887211}+\frac{1.06586596λ^2}{λ^2-98.0758545}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -2.35e-06 1.07e-08 -9.38e-12 5.72e-07 6.01e-10 0.22 nd: 1.717 Vd: 47.96 glass_code: 717480.414 glass_status: special density: 4.14 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.6e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.7e-06 K-1 dPgF: -0.0028 climatic_resistance: 2.0 stain_resistance: 3.0 acid_resistance: 52.3 alkali_resistance: 1.2 phosphate_resistance: 3.3
Comments
inquiry glass
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets