Optical constants of CDGM - ZLAF (Dense lanthanum flint)
D-ZLAF50
Wavelength:
µm
(0.330 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.17013467-0.0130614687λ^{2}+0.0284367701λ^{-2}+0.000413884621λ^{-4}+2.91645398\text{×}10^{-05}λ^{-6}-3.26598959\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: 4.59e-06 1.77e-08 -4.18e-11 8.47e-07 3.91e-10 0.15 n_d: 1.803373 V_d: 45.526021 glass_code: 803455 density: 4.89 g/cm3 coefficient_of_thermal_expansion_1: 6.2e-06 K-1 coefficient_of_thermal_expansion_2: 7.5e-06 K-1 ΔP_gF: -0.0105 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)