Tensor Holographic Impedance Coding Metasurface for Millimeter-Wave Circular Airy OAM Multibeams Generation

被引：0

作者：

Huang, Huifen ^{[1
]}

Ma, YingJing ^{[1
]}

机构：

[1] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou, Peoples R China

来源：

2024 IEEE INTERNATIONAL WORKSHOP ON RADIO FREQUENCY AND ANTENNA TECHNOLOGIES, IWRF&AT 2024 | 2024年

关键词：

Tensor holographic impedance coding; Orbital angular momentum; formatting; Circular Airy;

D O I：

10.1109/iWRFAT61200.2024.10594420

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, a tensor holographic impedance coding (THIC) metasurface (MS) with optimized coding scheme is proposed. The size is 20 lambda(0) x20 lambda(0) x0.08 lambda(0), lambda(0) is the wavelength at 30GHz. The proposed unit has two metal layers: a circular patch with three parallel slots and a ground, which are in each side of F4B substrate. Then left hand circular polarized (LHCP) dual circular Airy orbital angular momentum (OAM) beams with mode l = 0, 1 are generated by the proposed THICMS with high conversion efficiency 43.6%. The ratio of non-diffraction distance to MS aperture is 3.42, and the developed circular OAM beams has Potential applications in near-field imaging, medical treatment, and Wireless energy transmission. In addition, the proposed coding scheme and unit can be used to design other high performance multifunction MS.

引用

页码：389 / 394

页数：6

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