3-D metamaterials: Trends on applied designs, computational methods and fabrication techniques
Metamaterials are artificially engineered devices that go beyond the properties of
conventional materials in nature. Metamaterials allow for the creation of negative refractive …
conventional materials in nature. Metamaterials allow for the creation of negative refractive …
Perfect control of diffraction patterns with phase-gradient metasurfaces
Y Wang, Y Yuan, G Yang, X Ding, Q Wu… - … Applied Materials & …, 2022 - ACS Publications
Phase-gradient metasurfaces (PGMs) constitute an efficient platform for deflection of a beam
in a desired direction. According to the generalized Snell's law, the direction of the …
in a desired direction. According to the generalized Snell's law, the direction of the …
Angular and polarization stability of broadband reconfigurable intelligent surfaces of binary type
J Shabanpour, CR Simovski - IEEE Access, 2022 - ieeexplore.ieee.org
Recently, reconfigurable intelligent surfaces (RISs) gained notable consideration due to
their ability to provide efficient and cost-effective wireless communication networks …
their ability to provide efficient and cost-effective wireless communication networks …
D-band perfect anomalous reflectors for 6G applications
We demonstrate anomalous reflectors at 140 GHz for the application of 6G communication
coverage expansion. The reflectors are designed on cyclo-olefin polymer (COP) substrates …
coverage expansion. The reflectors are designed on cyclo-olefin polymer (COP) substrates …
Metagratings for efficient wavefront manipulation
Y Ra'di, A Alù - IEEE Photonics Journal, 2021 - ieeexplore.ieee.org
Recently, it was revealed that conventional gradient metasurfaces are fundamentally limited
on their overall efficiency to reroute the impinging waves towards arbitrary directions in …
on their overall efficiency to reroute the impinging waves towards arbitrary directions in …
Fully analytical design of dual-wire PCB metagratings for beam steering and splitting
The printed circuit board (PCB)-type metagrating (MG), a periodic microstrip planar structure
with discrete distribution of polarization currents, can realize high-angle wavefront shaping …
with discrete distribution of polarization currents, can realize high-angle wavefront shaping …
Analytical equivalent circuits for three-dimensional metamaterials and metagratings
Recently, three-dimensional (3D) metamaterials have undergone a revolution driven mainly
by the popularization of 3D-printing techniques, which has enabled the implementation of …
by the popularization of 3D-printing techniques, which has enabled the implementation of …
Design and validation of a metagrating for dual-operation
S Wang, S Xuan, Z Tan, B Xue, J Yi… - IEEE Antennas and …, 2023 - ieeexplore.ieee.org
Metagratings are promising devices in various applications for their characteristics of simple
structure, large steering angle, high efficiency, and multiband functionality. In this letter, we …
structure, large steering angle, high efficiency, and multiband functionality. In this letter, we …
Dual-polarized metagrating for controlling diffraction patterns in orthogonal planes
Metagratings (MGs), sparse distribution of periodic structures, enable the control of
anomalous beam diffraction. However, most of the MGs reported so far are polarization …
anomalous beam diffraction. However, most of the MGs reported so far are polarization …
Modeling RIS from Electromagnetic Principles to Communication Systems--Part I: Synthesis and Characterization of a Scalable Anomalous Reflector
This work aims to build connections between the electromagnetic and communication
aspects of Reconfigurable Intelligent Surfaces (RIS) by proposing a methodology to …
aspects of Reconfigurable Intelligent Surfaces (RIS) by proposing a methodology to …