Reconfigurable metasurface design via coplanar self-biasing structure

• We propose a coplanar self-biasing structure with feeder-structure multiplexing to simplify biasing line. • A reconfigurable coding meta-atom with up-down connectivity can realize one-dimensional scattering control. • An up-down structure generation algorithm is designed and the broadband phase response is traversed. • The self-connectivity structure can be switched to the short-circuit state to realize the self-heating function. Reconfigurable metasurface enriches the functional integrated design into the originally limited space. Electrical control, through the external power supply to control the electromagnetic response control, is a common and simple control method. However, current methods of electrical control require external biasing circuits and even metallized through-holes to power the metasurface, thus leading the design and machining of the metasurface more complicated. In order to address this problem, we propose a coplanar self-biasing structure with feeder-structure multiplexing. Metasurface design is generated under connectivity control, and the electromagnetic responses under different voltage states are searched. The designed metasurface is fabricated and verified by measurement, which can prove that the metasurface can control one-dimensional far-field scattering beams. Moreover, the deicing function of the metasurface with integrated biasing line is verified by infrared measurement. All the measured results are consistent well with the expected targets, which shows the effectiveness of our ideas. Importantly, our design opens up a new way to simplify the reconfigurable metasurfaces design, which has a wide application value in the dynamic control of metasurfaces.