Silei Yang

Efficient Beamforming Based on High-Transmittance Conformal Metasurface Fed by Slot-Coupled Patch Antenna Array

Xiaojian Fu, Silei Yang, Ziyi Zhu, Yuan Fu et autres

We propose a beamforming method based on curved conformal metasurfaces fed by a slot-coupled patch antenna array. This conformal metasurface comprises five distinct planar metasurface subarrays and their corresponding feed array antennas, which are deployed on a cylindrical surface with a central …

us, cn (code pays fourni par la source)

Polarization and space multiplexing metasurface for high-efficiency holography

Silei Yang, Xiaojian Fu, Peng Wang, Yujie Liu et autres

This paper presents a fast and efficient design method for generating multiplanar, dual-linearly polarized holographic patterns in the near-field of a Huygens metasurface when illuminated by incident waves with matching polarizations. The propagation kernel of the traditional Gerchberg-Saxton (GS) algorithm is modified …

Efficient Manipulation of Near‐Field Terahertz Waves: Individually Addressable Transmissive Meta‐Device

Peng Wang, Xiaojian Fu, Jun Jie Yang, Yuan Fu et autres

Abstract Due to the powerful capability in manipulating electromagnetic (EM) waves, digital coding and programmable metasurfaces have found vast application prospects across numerous areas such as next‐generation wireless communications and digital holography. Liquid crystals (LCs), as dielectric materials with significant birefringence effect …

cn (code pays fourni par la source)

A Novel Small Aperture Direction Finding System Based on Phase Mode Antenna

Xudong Tang, Junping Geng, Jingzheng Lu, Silei Yang et autres

A novel small aperture direction finding (DF) system based on phase mode antenna (PMA) is proposed to estimate the angle of arrival of (Ao$A$) signal without ambiguity. The DF system is based on a single dual-port PMA, which can achieve beam scanning …

cn (code pays fourni par la source)

A Pattern-Reconfigurable Antenna Based on DNA-Like SSPPs with Simple Switching Method

Jingzheng Lu, Junping Geng, Han Zhou, Silei Yang et autres

In this paper, a circularly polarized reconfigurable antenna based on a DNA-like SSPPs structure. The main radiator of the antenna is a DNA-like structure consisting of a double helix structure and metal strips. The SSPPs mode is excited by placing a pair …

cn (code pays fourni par la source)

Fundamentals and applications of millimeter-wave and terahertz programmable metasurfaces

Xiaojian Fu, Peng Wang, Yujie Liu, Yuan Fu et autres

Millimeter-wave and terahertz frequency bands are receiving more and more attention due to their big potentials for widespread applications such as in high-speed communications and high-resolution imaging. Nevertheless, limited by the functional materials and devices in these bands, we face lots of …

cn (code pays fourni par la source)

A Miniaturized Phase Mode Antenna Based on a Radial SSPPs Structure and Its 1-D Linear Arrays

Nian Chen, Kun Wang, Han Dong Zhou, Junping Geng et autres

A miniaturized dual-port phase mode antenna (PMA) based on radial spoof surface plasmon polariton (SSPPs) structure with continuous scanning pattern and two kinds of 1-D linear extended arrays of it are proposed. The proposed PMA is composed of a vertical PCB ($0.28\lambda …

cn (code pays fourni par la source)

A Low-Profile Magnetoelectric Dipole Antenna Based on Comb Structure and Its Application in Frequency-Scanning Array With Ground

Rui Zhao, Junping Geng, Han Dong Zhou, Silei Yang et autres

This paper proposes a low-profile magneto-electric (ME) dipole antenna based on comb structure as well as its application in frequency-scanning array with ground. Both the magnetic and electric dipole of the ME dipole antenna consist of the comb structure. Owing to the …

cn (code pays fourni par la source)

A Novel Compact Wideband Planar Inverted-F Fishbone Antenna With Load-Bearing Capacity and Its Application in CP Arrays

Silei Yang, Junping Geng, Kun Wang, Jingzheng Lu et autres

A novel compact wideband load-bearing planar inverted-F fishbone antenna (PIFFA) element and a circularly polarized (CP) unit based on PIFFA are proposed. The main radiator of the PIFFA is a folded fishbone structure with dimensions of$0.14\lambda _{0} \times 0.19\lambda _{0} \times 0.15\lambda …

cn (code pays fourni par la source)

Aperture Radiation Control Based on Reflection Theorem

Haotian Li, Junping Geng, Kun Wang, Silei Yang et autres

Aperture radiation control method based on the reflection theorem is proposed. It is based on the understanding of the reflection theorem, starting from the infinite PEC floor illuminated by plane waves, and extending it to the finite PEC floor. By changing the …

cn (code pays fourni par la source)

A Dual-port Pattern Reconfigurable Antenna Based on Slot Spoof Surface Plasmon Polaritons

Yangzhou Zhang, Junping Geng, Jingzheng Lu, Silei Yang et autres

A dual-port pattern reconfigurable antenna based on SSPPs is proposed. The antenna consists of a monopole, a tapered coplanar waveguide, the symmetric slot SSPPs transmission line and two leaf-shaped metal patches. By changing the feeding port to generate the odd mode or …

cn (code pays fourni par la source)

Two-dimensional terahertz beam manipulations based on liquid-crystal-assisted programmable metasurface

Yuan Fu, Xiaojian Fu, Silei Yang, Shuang Peng et autres

In this paper, an approach is proposed toward two-dimensional (2D) beam tailoring in the terahertz band based on programmable metasurface loaded with liquid crystals. Specifically, a 1-bit reflective metasurface element is designed with switchable phase responses, and subsequently, an individually controllable metasurface …

cn (code pays fourni par la source)