Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF76
Wavelength:
µm
(0.360 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.29759774-0.0171679311λ^{2}+0.0386912114λ^{-2}+0.00268188761λ^{-4}-0.00020390322λ^{-6}+2.43325022\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: -8.76e-07 1.45e-08 -5.38e-11 7.77e-07 8.1e-10 0.291 n_d: 1.850136 V_d: 30.060435 glass_code: 850301 density: 3.98 g/cm3 coefficient_of_thermal_expansion_1: 6.8e-06 K-1 coefficient_of_thermal_expansion_2: 8.3e-06 K-1 ΔP_gF: 0.005 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)