Article
Engineering, Electrical & Electronic
Xianjiang Zhong, He-Xiu Xu, Lei Chen, Jianqiang Hou, Hao Wang, Wentao Li, Yan Shi, Xiaowei Shi
Summary: This article proposes a novel design of a broadband circularly polarized folded reflectarray (FRA) antenna. The CP FRA utilizes two kinds of metasurfaces (MSs) and a linearly polarized (LP) open waveguide antenna as the feeding source. The designed antenna achieves high gain, wide bandwidth, and high efficiency.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2022)
Article
Engineering, Electrical & Electronic
Guan-Tao Chen, Yong-Chang Jiao, Gang Zhao, Chuan-Wei Luo
Summary: This paper presents a wideband high-efficiency circularly polarized folded reflectarray antenna based on CP selective surface (CPSS). The antenna design includes a simple CPSS, a wideband reflectarray plane, and a wideband planar CP antenna. The measured results show that the fabricated prototype has good performance with high gain, bandwidth, axial-ratio, and aperture efficiency, making it potentially valuable for wireless communication systems.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2021)
Article
Engineering, Electrical & Electronic
Qiqi Zhou, Lu Guo, Wenjie Feng
Summary: This research presents the design of a single-layer wideband circularly polarized reflectarray using a linearly polarized feed. By manipulating the embedded slot length, the design achieves linear phase and generates a circularly polarized radiating wave. The experimental results show that the design has good overall performance.
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
(2023)
Article
Engineering, Electrical & Electronic
Pan-Pan Zhang, Xi-Cheng Zhu, Yun Hu, Zhang-Cheng Hao, Guo-Qing Luo
Summary: This letter presents the design and implementation of a wideband circularly polarized folded reflectarray antenna (CPFRA) with a linearly polarized (LP) feed antenna. The CPFRA utilizes a polarization-sensitive frequency selective surface (FSS) and sequential rotation technique to achieve wideband operation and enhanced axial ratio (AR) bandwidth.
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
(2022)
Article
Engineering, Electrical & Electronic
Roger L. Farias, Custodio Peixeiro, Marcos V. T. Heckler
Summary: This communication presents a novel unit cell design for dual-band dual-circularly polarized reflectarrays for space communications. The proposed unit cell offers the advantage of using a single layer for antenna fabrication, resulting in reduced costs and complexity compared to multilayer antennas. The design achieves good polarization characteristics and has been successfully validated through far-field measurements.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2022)
Article
Engineering, Electrical & Electronic
Jianfeng Zhu, Shaowei Liao, Quan Xue
Summary: This article presents the design and fabrication of 3-D printed metal-only dual-band millimeter-wave circularly polarized reflectarrays. Through the adjustment of geometric Pancharatnam-Berry phase and propagation phase, independent wavefront shaping of circularly polarized waves over dual-band is achieved. Additionally, 3-D printed dual-band left-hand circularly polarized horn antennas are used as the feed.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2022)
Article
Optics
Hai Xin, Jianing Yang, Ming-Chun Tang, Haochen Zhang, Zuojun Zhang, Meijun Qu
Summary: This paper presents a broadband, electrically controlled, reconfigurable, circularly polarized reflective metasurface. The chirality of the metasurface is changed by switching active elements, which is achieved through the tunable current distributions generated by an elaborately designed structure under x-polarized and y-polarized waves. The proposed metasurface unit cell demonstrates a good circular-polarization efficiency in a broad range of 6.82-9.96 GHz (37% fractional bandwidth) with a phase difference of pi between the two states. A simulation and measurement of a reconfigurable circularly polarized metasurface containing 8 x 8 elements was conducted, showing that the proposed metasurface can flexibly control circularly polarized waves and achieve beam splitting, mirror reflection, and other beam manipulations from 7.4 GHz to 9.9 GHz (28.9% fractional bandwidth) by adjusting the loaded active elements. The reconfigurable metasurface proposed in this study holds promise for electromagnetic wave manipulation or communication systems.
Article
Computer Science, Information Systems
Zhicheng Wang, Rui Zhang, Wenke Song, Bingchuan Xie, Xiaobo Lin, Haixuan Li, Lu Tian
Summary: This article proposes a W-band circularly polarized reflectarray antenna with broad bandwidth and high aperture efficiency, making it suitable for wireless communication applications.
Article
Engineering, Electrical & Electronic
Shuyang Yang, Zehong Yan, Mingbo Cai, Xi Li
Summary: This paper presents a low-profile dual-band circularly polarized antenna for satellite communication at K- and Ka-bands. By utilizing a folded transmitarray and a multi-feed reflectarray, combined with a small focal length-to-diameter ratio, the antenna profile is reduced, saving space and cost.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2022)
Article
Engineering, Electrical & Electronic
Anamika Verma, Mahima Arrawatia, Girish Kumar
Summary: This communication presents a wideband high gain circularly polarized microstrip antenna (CP MSA) array. The array achieves high gain and wideband axial ratio by sequentially rotating the designed elements at 3.5 and 5.8 GHz to form a planar array. The elements are fed using different modes of a center CP MSA.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2022)
Article
Engineering, Electrical & Electronic
Fan Wu, Jingxue Wang, Yan Zhang, Wei Hong, Kwai-Man Luk
Summary: This study presents a broadband circularly polarized reflectarray operating at X-band, realizing broadband cophasal far-field radiation with asymmetric dual-polarized magneto-electric dipoles. The reflected prototype achieves high-purity circular polarization, with a peak gain of 25.4 dBic and peak aperture efficiency of 60%. The proposed element can be easily realized on a low-profile single-board substrate configuration, making it suitable for various applications including broadband satellite communications.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2021)
Article
Physics, Multidisciplinary
Shuang Liu, Yin Li, Sai-Wai Wong, Xiao Zhang, Shiyan Wang, Liang Fang, Qiang Gao
Summary: This study proposes a low-profile circularly polarized folded reflectarray antenna (CPFRA) that minimizes the antenna profile by utilizing a polarization-sensitive LP-CP converter. Both simulation and measurement results demonstrate that the proposed CPFRA offers higher gain and a lower profile compared to its traditional counterparts.
FRONTIERS IN PHYSICS
(2022)
Article
Engineering, Electrical & Electronic
Ahmed El Yousfi, Abdenasser Lamkaddem, Kerlos Atia Abdalmalak, Daniel Segovia-Vargas
Summary: In this work, a low-profile single-layer coplanar waveguide (CPW)-fed metasurface (MTS) antenna with broadband circular polarization (CP) radiation is proposed. Characteristic-mode analysis (CMA) is used to analyze a 3 x 4 MTS to identify the supported useful modes. Two modes with orthogonal current distribution, broadside radiation, and nearly 90 degrees phase difference over a wide frequency band are selected as operation modes. The proposed antenna design utilizes a rotated CPW feeding line to excite the two modes without the need for an extra layer.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2023)
Article
Engineering, Electrical & Electronic
Qiao Cheng, Yang Hao, Jack McGhee, William G. Whittow, J. C. Vardaxoglou, Raj Mittra, Shiyu Zhang
Summary: This article proposes a broadband dual circularly polarized reflectarray based on 3-D printed dielectric materials. By adjusting the phases of the orthogonal LP waves and optimizing the feed placement, a wide bandwidth and high gain are achieved.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2022)
Article
Engineering, Electrical & Electronic
Yancy Nasirudeen, Mrinal Kanti Mandal, Ravi Shaw
Summary: This paper presents a leaky wave antenna based on a standard rigid coaxial cable, which exhibits circular polarization in the backfire direction. The antenna achieves circular polarization by using a sequential rotation scheme and periodic slots cut on the outer conductor of the cable. Both space and time quadrature required for circular polarization are obtained through rotation and separation of the slots along the propagation direction.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2022)