Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF68C
Wavelength:
µm
(0.330 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.4376406-0.0115726315λ^{2}+0.0371406216λ^{-2}+0.000330923804λ^{-4}+7.3366651\text{×}10^{-05}λ^{-6}-1.36270312\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: 3.16e-07 1.55e-08 4.75e-12 9.9e-07 1e-09 0.14 n_d: 1.883001 V_d: 40.867939 glass_code: 883409 density: 5.34 g/cm3 coefficient_of_thermal_expansion_1: 7e-06 K-1 coefficient_of_thermal_expansion_2: 8.7e-06 K-1 ΔP_gF: -0.009 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)