Systematic Design of a Holographic-Based Metasurface Reflector in the Sub-6 GHz Band

This letter presents a systematic method to regulating the response of an artificial impedance surface. The method is based on governing the dispersion diagram to control the depth of modulation so that a meaningful pattern of scatterers is obtained on the structure. The method is applied on a holographic-based large reflective metasurface to achieve a dual-beam radiation pattern with tilt angles of
$\pm 45^{\circ }$
in the azimuth plane at
$f=3.5$
 GHz. The structure is fabricated and the measured data concur with the simulation results.