Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF69
Wavelength:
µm
(0.290 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.2148109-0.012992517λ^{2}+0.029243707λ^{-2}+0.00018800218λ^{-4}+5.7106547\text{×}10^{-05}λ^{-6}-1.9571482\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: 1.51e-06 1.83e-08 -1.08e-10 5.27e-07 6.39e-10 0.24 n_d: 1.816001 V_d: 46.569210 glass_code: 816465 density: 5.01 g/cm3 coefficient_of_thermal_expansion_1: 6.4e-06 K-1 coefficient_of_thermal_expansion_2: 7.8e-06 K-1 ΔP_gF: -0.0108 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)