Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF1
Wavelength:
µm
(0.320 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=3.16228962-0.014206768λ^{2}+0.0294595374λ^{-2}+0.000212856988λ^{-4}+6.58725595\text{×}10^{-05}λ^{-6}-1.65992623\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.15e-06 1.76e-08 -6.68e-11 5.2e-07 1.18e-10 0.262
nd: 1.801663
Vd: 44.282314
glass_code: 802443
density: 4.3 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.2e-06 K-1
dPgF: -0.008
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)