Abstract
Programmable metasurfaces have shown great potential in the areas of low-complexity phase array systems in comparison with the conventional phased array antennas. In this document, a 1-bit transmissive programable metasurface with high efficiency is proposed for the cost-effective beam-steering phased array. The designed transmissive metasurface is made up of reconfigurable cells with perfect 1-bit phase tuning and less transmission losses. Through dynamically programming the 1-bit code distributions of the metasurface, real-time scanning pencil beams in desired directions can be created.
Highlights
Frontiers in PhysicsProgrammable metasurfaces have shown great potential in the areas of low-complexity phase array systems in comparison with the conventional phased array antennas
Metasurfaces are widely known as a kind of two-dimensional periodic structures with subwavelength scale, owing to its independent talent of delicate modulation on electromagnetic waves [1]
The programmable metasurfaces integrated with lumped components could be very practical for the fine-grained modulation over electromagnetic waves, which show great advantages at improving the incomplexity and cost for dynamic beam forming or scanning, in comparison with conventional phased array systems that are composed of massive digital or analog phase shifters [25]
Summary
Programmable metasurfaces have shown great potential in the areas of low-complexity phase array systems in comparison with the conventional phased array antennas. A 1-bit transmissive programable metasurface with high efficiency is proposed for the cost-effective beam-steering phased array. The designed transmissive metasurface is made up of reconfigurable cells with perfect 1-bit phase tuning and less transmission losses. Through dynamically programming the 1-bit code distributions of the metasurface, real-time scanning pencil beams in desired directions can be created
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