Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF66GT
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.233018785λ^2}{λ^2-0.0537435377}+\frac{1.90660392λ^2}{λ^2-0.0114336559}+\frac{1.37147086λ^2}{λ^2-110.630887}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -1.89e-06 1.64e-08 -1.41e-10 8.7e-07 1.01e-09 0.245 nd: 1.801000 Vd: 34.966919 glass_code: 801350 density: 3.89 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.9e-06 K-1 - temperature_range: 20 300 °C coefficient: 9.3e-06 K-1 dPgF: 0.0016 climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets