Reconfigurable metasurface: A systematic categorization and recent advances

C Liu, F Yang, S Xu, M Li - Electromagnetic Science, 2023 - ieeexplore.ieee.org
Considering the rapid progress of theory, design, fabrication and applications, metasurfaces
(MTSs) have become a new research frontier in microwave, terahertz and optical bands …

A radiation viewpoint of reconfigurable reflectarray elements: Performance limit, evaluation criterion and design process

C Liu, Y Wu, S Zhou, F Yang, Y Ren… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Reconfigurable reflectarray antennas (RRAs) have rapidly developed with various
prototypes proposed in recent literature. However, designing wideband, multiband, or high …

Improved Performance of a 1-Bit RIS by Using Two Switches per Bit Implementation

F Cardoso, S Matos, L Pessoa… - 2024 18th European …, 2024 - ieeexplore.ieee.org
Reconfigurable Intelligent Surfaces (RIS) are an enabling technology widely investigated
towards 6G. The viability of large active metasurfaces is constrained by the RF performance …

Transmission Efficiency Limit of Single-Switch Reconfigurable Transmitarray Elements

C Liu, F Yang, S Xu, M Li - arXiv preprint arXiv:2303.06826, 2023 - arxiv.org
Reconfigurable transmitarray antennas (RTAs) are rapidly gaining popularity, but
optimizating their performance requires systematic design theories. In particular, a …

2-D Beamforming with a Terahertz Reconfigurable Transmitarray Using 1-Bit Transparency Modulation

K Huang, X Zhi, L Ran - 2024 IEEE 10th International …, 2024 - ieeexplore.ieee.org
A concise unit cell for terahertz-wave transparency modulation is proposed with a
monolithically integrated Schottky barrier diode, achieving an on/off ratio greater than 10 at …

A Study of Reconfigurable Array Elements with a Single Switch Based on Three-Port Network Theory

C Liu, F Yang, S Xu, M Li - 2023 International Conference on …, 2023 - ieeexplore.ieee.org
In recent years, to meet the demand for high-gain beam-scanning antennas, low-cost 1-bit
reconfigurable array antennas have been proposed, such as the reconfigurable reflectarray …