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- W4387314749 abstract "In this paper, we propose a high-gain reflective metasurface which is constructed by programmable subwavelength phase units with four varactor diodes on the resonator. This unit can realize the phases of $0^{circ}, 90^{circ}, 180^{circ}$, and 270° with a phase difference of 90° while the unit perimeter is only 0.4 wavelength. The four varactor diodes can be individually regulated by a voltage, making it independently control the unit phase. To program the array phase, we code the four-phase cells and discretize them digitally. The metasurface array consisting of $20times 20$ units is designed and simulated by the well-known simulation tool HFSS. As shown in the simulation results, our design can achieve a high gain for the focused beam scanning. In addition, the reflective beam reconfiguration with multiple beams and vortex electromagnetic waveforms is realized." @default.
- W4387314749 created "2023-10-04" @default.
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- W4387314749 date "2023-08-19" @default.
- W4387314749 modified "2023-10-06" @default.
- W4387314749 title "A High-Gain Reflective Metasurface Constructed by Programmable Subwavelength Phase Units" @default.
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- W4387314749 doi "https://doi.org/10.23919/ursigass57860.2023.10265517" @default.
- W4387314749 hasPublicationYear "2023" @default.
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