Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF3
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.33260614-0.0142217301λ^{2}+0.0366299952λ^{-2}+0.00102037909λ^{-4}-3.17481272\text{×}10^{-06}λ^{-6}+5.76556277\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 3.1e-06 1.77e-08 -9.07e-11 8.88e-07 3.04e-10 0.222 nd: 1.855449 Vd: 36.598050 glass_code: 855366 density: 4.5 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6e-06 K-1 - temperature_range: 20 300 °C coefficient: 7.4e-06 K-1 dPgF: -0.0053 climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets