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Waveform-selective metasurfaces for electromagnetic cloaking

The term "electromagnetic cloaking" refers to a wide class of approaches whose aim is reducing the total scattering cross section of an object within a desired range of frequencies. In the last years, the use of electromagnetic cloaking for antennas have been widely investigated and several unprecedented effects have been proven. Just to cite a few examples, it has been shown that cloaking allows designing low-scattering receiving antennas [1] and overcoming the blockage and mutual coupling effects occurring between transmitting antennas in overcrowded telecommunication platforms [2] .