Figure 2.

Designed dual‐programmable ME and fabricated prototype. a) 3D topological structure of the ME, in which the two pairs of varactors in the x‐ and y‐directions can be actuated independently by two bias lines I and II, respectively. b,c) Simulated phase responses and reflection amplitudes of the ME, respectively, for different capacitance values under the x‐ and y‐polarized incidences. The two phase differences are virtually identical ranging from 5.67 to 6.15 GHz and the reflection amplitudes are larger than −1 dB at 5.85 GHz. d,e) Front and back of the fabricated metasurface sample, respectively. f) Fabricated extended interface and DC voltage conversion circuits.