Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF1
Wavelength:
µm
(0.320 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.16228962-0.014206768λ^{2}+0.0294595374λ^{-2}+0.000212856988λ^{-4}+6.58725595\text{×}10^{-05}λ^{-6}-1.65992623\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 3.15e-06 1.76e-08 -6.68e-11 5.2e-07 1.18e-10 0.262 nd: 1.801663 Vd: 44.282314 glass_code: 802443 density: 4.3 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 5.3e-06 K-1 - temperature_range: 20 300 °C coefficient: 7.2e-06 K-1 dPgF: -0.008 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)