Optical constants of CDGM - ZLAF (Dense lanthanum flint)
D-ZLAF81
Wavelength:
µm
(0.340 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.1745656-0.0098395711λ^{2}+0.034884391λ^{-2}-0.00052006433λ^{-4}+0.00017902813λ^{-6}-6.3116821\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: 5.18e-06 1.52e-08 1.59e-10 5.99e-07 9.97e-11 0.282 n_d: 1.808800 V_d: 41.010308 glass_code: 809410 density: 4.55 g/cm3 coefficient_of_thermal_expansion_1: 6.4e-06 K-1 coefficient_of_thermal_expansion_2: 8.1e-06 K-1 ΔP_gF: -0.0065
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)