Optical constants of CDGM - LAF (Lanthanum flint)
H-LAF62
Wavelength:
µm
(0.340 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.88929239-0.0118090997λ^{2}+0.0220839611λ^{-2}+0.00132896557λ^{-4}-9.97765672\text{×}10^{-05}λ^{-6}+6.8989327\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: 3.69e-06 1.78e-08 -1.65e-10 7.29e-07 1.87e-10 0.206 n_d: 1.719999 V_d: 43.691154 glass_code: 720437 density: 3.89 g/cm3 coefficient_of_thermal_expansion_1: 7e-06 K-1 coefficient_of_thermal_expansion_2: 8.8e-06 K-1 ΔP_gF: -0.0034 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)