Optical constants of CDGM - LAF (Lanthanum flint)
H-LAF10LA
Wavelength:
µm
(0.302–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.93178403λ^2}{λ^2-0.00997340769}+\frac{0.189897276λ^2}{λ^2-0.0368891042}+\frac{1.09736515λ^2}{λ^2-77.2777489}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 1.87e-06 1.68e-08 -3.95e-11 5.95e-07 4.28e-10 0.194 nd: 1.788000 Vd: 47.491731 glass_code: 788475 glass_status: standard density: 4.3 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.1e-06 K-1 - temperature_range: 20 300 °C coefficient: 7.7e-06 K-1 dPgF: -0.0097 climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets