Optical constants of CDGM - ZLAF (Dense lanthanum flint)
D-ZLAF52LA
Wavelength:
µm
(0.340 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.1753525-0.00848750283λ^{2}+0.0371301651λ^{-2}-0.00109609062λ^{-4}+0.00024418582λ^{-6}-8.94583294\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 20.0 °C coefficients_of_thermal_dispersion: 5.32e-06 1.75e-08 -7.96e-11 7.4e-07 2.75e-10 0.221 n_d: 1.809995 V_d: 41.000073 glass_code: 810410 glass_status: standard density: 4.56 g/cm3 coefficient_of_thermal_expansion_1: 6.6e-06 K-1 coefficient_of_thermal_expansion_2: 8.3e-06 K-1 ΔP_gF: -0.0066 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)