Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF55D
Wavelength:
µm
(0.320 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.27258827-0.0129423515λ^{2}+0.032844328λ^{-2}+0.000183315988λ^{-4}+7.64020197\text{×}10^{-05}λ^{-6}-1.75379429\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 3.74e-07 1.44e-08 3.75e-12 9.75e-07 1.1e-09 0.102 nd: 1.834810 Vd: 42.727483 glass_code: 835427 glass_status: standard density: 4.56 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 6.4e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.1e-06 K-1 dPgF: -0.0081 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)