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Nanophotonics
Article . 2026 . Peer-reviewed
License: CC BY
Data sources: Crossref
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An Active Beam‐Reconfigurable Retrodirective Array

Authors: Wen Yue Wei; Yan Shi; Li Jing Yang; Jun Wei Wu; Qiang Feng; Long Li;

An Active Beam‐Reconfigurable Retrodirective Array

Abstract

ABSTRACT Retrodirective arrays can scatter an arbitrarily incident wave back along its incident direction, demonstrating significant potential for wireless communications. However, traditional retrodirective arrays can only reflect incident waves back along a fixed direction. This inherent constraint restricts their application primarily to point‐to‐point communications. To overcome this constraint, this paper focuses on the study of a beam‐reconfigurable retrodirective array. The proposed array consists of dual‐beam radiating elements. By incorporating a metallic plate with a tunable tilt angle, the array not only achieves retroreflection but also generates a reconfigurable steering beam. Furthermore, integrating active amplifiers into the array's transmission line network enhances the gain of both beam types. The proposed array system not only responds in real‐time to incident waves from different directions but also enables dynamic switching among various steering beams. This dual capability opens up diverse application potentials, including multipoint wireless communication and multitarget wireless power transfer.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average