Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF1
Wavelength:
µm
(0.320 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.16228962-0.014206768λ^{2}+0.0294595374λ^{-2}+0.000212856988λ^{-4}+6.58725595\text{×}10^{-05}λ^{-6}-1.65992623\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: 3.15e-06 1.76e-08 -6.68e-11 5.2e-07 1.18e-10 0.262 n_d: 1.801663 V_d: 44.282314 glass_code: 802443 density: 4.3 g/cm3 coefficient_of_thermal_expansion_1: 5.3e-06 K-1 coefficient_of_thermal_expansion_2: 7.2e-06 K-1 ΔP_gF: -0.008 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)