Figure 5
From: An Object-Independent ENZ Metamaterial-Based Wideband Electromagnetic Cloak

Distribution of E-field in the xz-plane for, (a) free space; (b) uncloaked object; (c) object at uncloaked frequency inside the cloak shell; (d) object at cloaked frequency (6.70 GHz) inside the cloak shell (e) transparent side view of the cloaked object at 6.70 GHz.