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Beam Steering of Antenna Array Using Phase Gradient Metasurface

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Handbook of Metamaterial-Derived Frequency Selective Surfaces

Part of the book series: Metamaterials Science and Technology ((METSCTE,volume 3))

Abstract

Metasurfaces are thin engineered surfaces consisting of either metallic or dielectric resonators arranged in a two-dimensional array with sub-wavelength grid sizes. In recent years, metasurfaces have attracted significant attention from researchers and scientists attributed to their extraordinary capabilities of controlling the propagation and generation of electromagnetic wave. Across the electromagnetic (EM) spectrum from microwave to visible frequency, metasurfaces have been demonstrated to generate a beam of the desired shape, deflect the radiation to the particular direction, spectral and temporal manipulation of the beam with unprecedented control. These features pave the way toward diverse practical applications in the field of sensing, medical imaging, and quantum computing. Furthermore, with the advent of 5G technology, metasurfaces are deployed in wireless communication systems. Beam forming and steering that beam at desired direction is one essential criterion of the 5G communication system. By adjusting the phase of the scattered wave at each of the unit cells of the metasurface, the overall scattered beam can be directed toward any desired direction. These metasurfaces are categorized to a special class of metasurface referred to as “phase gradient metasurfaces.” In this chapter, we will discuss in detail the phase gradient metasurface for the beam steering application.

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Correspondence to Arnab Pattanayak .

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© 2022 Springer Nature Singapore Pte Ltd.

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Pattanayak, A., Hati, A., Duttagupta, S.P. (2022). Beam Steering of Antenna Array Using Phase Gradient Metasurface. In: Narayan, S., Kesavan, A. (eds) Handbook of Metamaterial-Derived Frequency Selective Surfaces. Metamaterials Science and Technology, vol 3. Springer, Singapore. https://doi.org/10.1007/978-981-16-6441-0_14

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