Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF50D
Wavelength:
µm
(0.320 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.17122941-0.0123809285λ^{2}+0.0303628745λ^{-2}-0.000417232894λ^{-4}+0.000142630066λ^{-6}-6.197583\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 °C nd: 1.804005 Vd: 46.590950 glass_code: 804466 density: 4.52 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.2e-06 K-1 - temperature_range: 20 300 °C coefficient: 7.9e-06 K-1 dPgF: -0.0085 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)