Dual-band cross-polarization and linear-to-circular polarization converting metasurface

IF 4.6 2区物理与天体物理 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Results in Physics Pub Date : 2025-03-31 DOI:10.1016/j.rinp.2025.108222

Abdullah , Babar Kamal , Sadiq Ullah , Ashfaq Ahmad , Dong-you Choi

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Abstract

A dual-band multifunctional polarization converting metasurface (PCMS) for linear-to-linear polarization conversion (LTLPC) and linear-to-circular polarization conversion (LTCPC) is presented in this paper. The PCMS converts LP incident waves into their orthogonal waves in dual frequency bands of 7.5–12 GHz with fractional bandwidth (FBW) of 46.15%, and 15.4–20.16 GHz with FBW of 26.77%, with a polarization conversion ratio (PCR) of 98%. Furthermore, the PCMS converts LP wave to circular polarized wave with axial ratio (AR), below 3 dB in the frequency range of 12–15.4 GHz with a FBW of 24.81%. To comprehend the designed MS operational principle the surface current distributions (SCD) are also discussed on numerous resonance frequencies. A prototype of the designed MS is fabricated, the simulated and measured results are in good agreement. The dual frequency bands and multifunctional PC characteristics of the MS make it useful for a wide range of microwave communication and radar systems.

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双波段交叉极化和线性-圆极化转换元表面

提出了一种用于线-线偏振转换（LTLPC）和线-圆偏振转换（LTCPC）的双频多功能偏振转换超表面（PCMS）。PCMS将LP入射波在7.5 ~ 12 GHz和15.4 ~ 20.16 GHz双频段转换成正交波，分数带宽（FBW）分别为46.15%和26.77%，极化转化率（PCR）为98%。此外，在12-15.4 GHz频率范围内，PCMS将LP波转换成轴向比小于3 dB的圆极化波，FBW为24.81%。为了理解所设计的质谱的工作原理，还讨论了多种谐振频率下的表面电流分布（SCD）。制作了所设计的质谱样机，仿真结果与实测结果吻合良好。MS的双频段和多功能PC特性使其广泛应用于微波通信和雷达系统。

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来源期刊

Results in Physics MATERIALS SCIENCE, MULTIDISCIPLINARYPHYSIC-PHYSICS, MULTIDISCIPLINARY

CiteScore

8.70

自引率

9.40%

发文量

754

审稿时长

50 days

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