Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF71
Wavelength:
µm
(0.360 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.30457034-0.0157032075λ^{2}+0.0374207147λ^{-2}+0.00217455908λ^{-4}-0.000149305709λ^{-6}+1.85063226\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: -2.69e-06 1.66e-08 -1.31e-10 9.42e-07 9.19e-10 0.249 n_d: 1.850260 V_d: 32.307713 glass_code: 850323 density: 4.22 g/cm3 coefficient_of_thermal_expansion_1: 7.6e-06 K-1 coefficient_of_thermal_expansion_2: 9.2e-06 K-1 ΔP_gF: 0.0018 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)