Optical constants of CDGM - LAK (Lanthanum crown)
H-LAK10
Wavelength:
µm
(0.290 – 2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.67519359-0.00927946143λ^{2}+0.018891795λ^{-2}-0.000239296657λ^{-4}+7.29098315\text{×}10^{-05}λ^{-6}-3.36344313\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -6.75e-07 1.72e-08 -1.1e-11 3.91e-07 -4.26e-10 0.264 nd: 1.651133 Vd: 55.903805 glass_code: 651559 density: 3.73 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.1e-06 K-1 - temperature_range: 20 300 °C coefficient: 8.4e-06 K-1 dPgF: -0.0033 climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)