Light scattering by a sphere dimer: Extinction cross section
Contact F. J. García de Abajo for details

Extinction (= light scattering + absorption) cross section of a sphere dimer for polarization along the dimer axis, calculated from MESME (see F. J. García de Abajo, Phys. Rev. B 60, 6086 (1999)) up to an iteration order as specified below.
Dielectric function ε(ω)

For Drude:
ωp (eV) =
η (eV) =

Geometry under consideration

Geometrical parameters Left-sphere radius a (nm) =
Right-sphere radius b (nm) =
Surface-to-surface distance d (nm) =
Other parameters ωmin(eV) =     ωmax(eV) =
lmax = (maximum orbital momentum no. ≤ 20)
Iteration order = (maximum iteration order ≤ 60)
Dielectric function of the environment, ε0 =