Miniaturized Wideband Single-Layer CP Metasurface Antenna Using CPW-Fed

IF 1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Microwave and Optical Technology Letters Pub Date : 2025-02-19 DOI:10.1002/mop.70141

Zuxue Xia, Xin Xiong, Wenhai Xia, Xin Cao, Jiayuan Hu, Rui Cheng

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引用次数: 0

Abstract

A novel miniaturized wideband single-layer circularly polarized metasurface antenna using coplanar waveguide (CPW)-fed and hybrid metasurface is proposed. To miniaturize the metasurface antenna, a hybrid embedded metasurface structure composed of multiple slotted rectangles and small rectangles is introduced. By embedding the metallic patches, additional capacitance is introduced in the gaps, which lowers the resonance frequency of the metasurface and significantly reduces its size. Circularly polarized radiation is realized as the inclined CPW feeder excites the degenerate modes of the hybrid metasurface, which exhibit a 90° phase difference. In conclusion, the metasurface antenna is fabricated and measured to confirm the validity of the design. The antenna has a compact radiation aperture of 0.39λ₀ × 0.49λ₀ (center frequency of 5.82 GHz), a wider 3 dB AR bandwidth of 17.1% (5.31 ~ 6.30 GHz), and a wider impedance bandwidth of 24.8% (4.93 ~ 6.33 GHz), with a peak gain of 7.7 dBic.

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来源期刊

Microwave and Optical Technology Letters 工程技术-工程：电子与电气

CiteScore

3.40

自引率

20.00%

发文量

371

审稿时长

4.3 months

期刊介绍： Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas. - RF, Microwave, and Millimeter Waves - Antennas and Propagation - Submillimeter-Wave and Infrared Technology - Optical Engineering All papers are subject to peer review before publication