Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF50E
Wavelength:
µm
(0.310 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.17475472-0.0138702913λ^{2}+0.0278405909λ^{-2}+0.000351405611λ^{-4}+4.08115849\text{×}10^{-05}λ^{-6}-1.46429081\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: 8.68e-07 1.85e-08 2.01e-12 7.5e-07 -5.01e-10 0.155 n_d: 1.804009 V_d: 46.567682 glass_code: 804466 glass_status: standard density: 4.44 g/cm3 coefficient_of_thermal_expansion_1: 6.2e-06 K-1 coefficient_of_thermal_expansion_2: 7.8e-06 K-1 ΔP_gF: -0.0083 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)