Category Ranking
98%
Total Visits
921
Avg Visit Duration
2 minutes
Citations
20
Article Abstract
The power capacity of reflectarray antennas (RAs) is investigated through full-wave simulations and high-power microwave (HPM) experiments in this paper. In order to illustrate the results in detail, two RA elements are designed. The simulated power handling capacity of two RA elements are 7.17 MW/m and 2.3 GW/m, respectively. To further study the HPM RA, two RA prototypes operating at 2.8 GHz are constructed with the aperture size of 1 m × 1 m. Simulations and experimental measurements are conducted for the two prototypes. The experimental results demonstrate that, even when subjected to 1 GW of power, the radiation beam of the RA with the second elements can still propagate in the intended direction. This research will establish a basis for advancing the practicality of RAs in HPM applications.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10972252 | PMC |
| http://dx.doi.org/10.3390/mi15030399 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
This paper presents the design of a multi-beam reflectarray antenna sensor for medical and biosensing applications. The design incorporates a microstrip antenna with a rectangular graphene patch to feed the reflectarray antenna. This array antenna includes 76 rectangular graphene sheets placed beneath a substrate and atop an analyte substrate layer for environmental sensing.
View Article and Find Full Text PDFA Broadband Millimeter-Wave Circularly Polarized Folded Reflectarray Antenna Based on Transmissive Linear-to-Circular Polarization Converter.
Micromachines (Basel)
June 2025
School of Information Science and Technology, Nantong University, Nantong 226019, China.
In this paper, a wideband circularly polarized folded reflectarray antenna (CPFRA) based on a transmissive linear-to-circular polarization converter is proposed. The CPFRA consists of a primary reflector and a sub-reflector. To achieve broadband performance, a metasurface-based RA element on the primary reflector surface and a transmissive linear-to-circular polarization converter on the sub-reflector surface are applied.
View Article and Find Full Text PDFA wireless power beaming system using Y shaped reflectarray and rectenna achieving 8.33% power transfer efficiency.
Sci Rep
May 2025
The University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX, 75080, USA.
In this paper, the design and implementation of a wireless power transfer system using an ultrawideband (UWB) circularly polarized multilayer reflectarray antenna (RA) is proposed. This novel system is the first of its kind to be demonstrated in a distributed transmitter (TX) configuration, presenting enhanced efficiency and versatility. The RA is comprised of novel unit cells of "Y" shape, where a smaller arm is connected with a vertical arm at a 45° tilted angle, and a rectangular shape is incorporated in the middle layer that contributes to enhancing the gain over the frequency band.
View Article and Find Full Text PDFA novel broadband reflectarray antenna employing equivalent magnetic dipole elements.
Sci Rep
March 2025
Space Engineering University, Beijing, 101416, China.
In this paper, a planar reflectarray antenna employing equivalent magnetic dipole (EMD) elements is proposed. An H-shaped patch and two coupling T-shaped patches are employed as the EMD element, in which the electric current intrinsically flows on the central H-shaped patch while the equivalent magnetic current with orthogonal direction can be ingeniously excited in the meanwhile due to the adjacent patch gaps. Compared with conventional magnetoelectric dipoles, the single-layer EMD element eliminates the vertically metallized via structure and generates an equivalent magnetic dipole with the help of displacement current rather than toroidal current, providing benefits including reduced complexity and enhanced bandwidth.
View Article and Find Full Text PDFDesign and Analysis of Wideband Single-Layer Reflectarray Antenna for Remote Sensing and Environmental Monitoring.
Sensors (Basel)
February 2025
Department of Electronics and Telecommunications, Politecnico di Torino, 10129 Turin, Italy.
In this article, a wideband single-layer reflectarray antenna for Ku-band applications is presented. The proposed reflectarray antenna is suitable for applications such as fixed satellite service (FSS), broadcasting satellite service (BSS), earth exploration satellite service (EESS), remote sensing, and environmental monitoring. The developed single element of the proposed reflectarray antenna is made up of a horizontal strip, discrete vertical strips of varying sizes, and circular structures.
View Article and Find Full Text PDF