Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF90
Wavelength:
µm
(0.370 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.81589583-0.0188810016λ^{2}+0.0545200672λ^{-2}+0.00508907678λ^{-4}-0.000444175735λ^{-6}+5.0454684\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: -2.21e-06 1.4e-08 -4.36e-11 1.1e-06 1.62e-09 0.284 n_d: 2.000689 V_d: 25.435062 density: 4.74 g/cm3 coefficient_of_thermal_expansion_1: 7e-06 K-1 coefficient_of_thermal_expansion_2: 8.7e-06 K-1 ΔP_gF: 0.0113
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)