Elusive Pure Anapole Excitation in Homogenous Spherical Nanoparticles with Radial Anisotropy

Figure 4

(a) Scattered power spectra for an anisotropic () sphere of nm and (inset). The total scattered power together with the contributions from , , , and is shown. Two points C and D of nm and nm, respectively, are selected and the corresponding near fields are shown in (C)-(D).