Optical constants of CDGM - LAF (Lanthanum flint)
H-LAF7
Wavelength:
µm
(0.350 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.0798693-0.0120988227λ^{2}+0.0313371888λ^{-2}+0.000985836878λ^{-4}-1.3379864\text{×}10^{-05}λ^{-6}+5.4990762\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: -1.02e-06 1.7e-08 -1.39e-10 6.63e-07 4.31e-10 0.279 n_d: 1.781796 V_d: 37.094648 glass_code: 782371 density: 3.77 g/cm3 coefficient_of_thermal_expansion_1: 8e-06 K-1 coefficient_of_thermal_expansion_2: 9.5e-06 K-1 ΔP_gF: -0.0019 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)