Optical constants of Ge (Germanium)
Burnett et al. 2016: n 2.00–14.0 µm
Wavelength:
µm
(2–14)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.4886331λ^2}{λ^2-1.393959}+\frac{14.5142535λ^2}{λ^2-0.1626427}+\frac{0.0091224λ^2}{λ^2-752.190}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 22 °C
Comments
Standard uncertainties ranging from 2×10-5 near 2 µm to 8×10-5 near 14 µm
References
J. H. Burnett, S. G. Kaplan, E. Stover, A. Phenis. Refractive index measurements of Ge, Proc. SPIE 9974, 99740X (2016)