Optical constants of CDGM - LAF (Lanthanum flint)
H-LAF2
Wavelength:
µm
(0.340 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.87222927-0.00570883559λ^{2}+0.0292421752λ^{-2}-0.00146115324λ^{-4}+0.000252525251λ^{-6}-1.08672409\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: -4.12e-06 2.75e-08 -1.05e-10 8.05e-07 -8.24e-10 0.107 n_d: 1.716996 V_d: 47.920216 glass_code: 717479 density: 4.25 g/cm3 coefficient_of_thermal_expansion_1: 7.4e-06 K-1 coefficient_of_thermal_expansion_2: 9.1e-06 K-1 ΔP_gF: -0.0038 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)