Metasurface-bounded open cavities supporting virtual absorption: free-space energy accumulation in lossless systems

We investigate an anomalous scattering phenomenon exhibited by a lossless system based on metasurfaces. Electromagnetic energy is neither ...

Source: Optics Letters - May 29, 2020 Category: Physics Authors: A. Marini D. Ramaccia A. Toscano F. Bilotti Source Type: research