全空间圆形艾里光束的自旋去耦-张量全息阻抗混合超表面

IF 4.8 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2025-06-26 DOI:10.1109/LAWP.2025.3583719

Hui-Fen Huang;Xiao-Mei Lei

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引用次数: 0

摘要

本文研制了一种自旋去耦相梯度(SDPG) -张量全息阻抗（THI）单层全空间混合超表面（MTS），并实现了自旋去耦相梯度(SDPG) -张量全息阻抗（THI）单层全空间混合超表面的独立控制。例如，设计了具有高轨道角动量（OAM）模式纯度（85%以上）的全空间四圆形Airy波束：（LHCP, l1 = 1, θ1 = 150°，ϕ1 = 0°，36 GHz），（RHCP, l2 = - 1, θ2 = 150°，ϕ2 = 180°，36 GHz），（LP, l3 = 1, θ3 = 30°，ϕ3 = 0°，12 GHz），（RHCP, l4 = - 1, θ4 = 30°，ϕ4 = 180°，12 GHz）。这封信的独特贡献如下：据作者所知，首次开发了空间波调制-表面波调制集成的全空间混合MTS。THI-SDPG集成MTS结合了SDPG（控制任意对正交极化）和THI（实现任意极化）的优点，极大地扩展了多功能设计的自由度。同时实现了以下优点：全空间、单层、任意极化和可切换性。所研制的MTS在双向近场大容量通信中具有广阔的应用前景。

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Spin Decoupling–Tensor Holographic Impedance Hybrid Metasurface for Full-Space Circular Airy Beams

In this letter, a spin decoupling phase gradient (SDPG)–tensor holographic impedance (THI) single-layer full-space hybrid metasurface (MTS) is developed, and the integrated THI and SDPG MTSs can be controlled independently. For example, full-space four circular Airy beams with high orbital angular momentum (OAM) mode purity (above 85%) are designed: (LHCP, l₁ = 1, θ₁ = 150°, ϕ₁ = 0°, 36 GHz), (RHCP, l₂ = −1, θ₂ = 150°, ϕ₂ = 180°, 36 GHz), (LP, l₃ = 1, θ₃ = 30°, ϕ₃ = 0°, 12 GHz), (RHCP, l₄ = −1, θ₄ = 30°, ϕ₄ = 180°, 12 GHz). The unique contributions of the letter are as follows: To the knowledge of the authors, for the first time, space wave modulation–surface wave modulation integrated full-space hybrid MTS is developed. THI-SDPG integrated MTS combines the advantages of SDPG (controlling any pair of orthogonal polarizations) and THI (realizing arbitrary polarizations), and greatly expands the freedom of multifunctional design. The following advantages are achieved simultaneously: full space, single layer, arbitrary polarization, and switchability. The developed MTS has promising applications in bidirectional nearfield high-capacity communication.

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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.