11 results

Isolation Enhancement of Densely Packed Array Antennas with Periodic MTM-Photonic Bandgap for SAR and MIMO Systems

Journal Article
Alibakhshikenari, M., Virdee, B. S., Shukla, P., See, C. H., Abd-Alhameed, R., Falcone, F., …Limiti, E. (2020)
Isolation Enhancement of Densely Packed Array Antennas with Periodic MTM-Photonic Bandgap for SAR and MIMO Systems. IET microwaves, antennas & propagation, 14(3), 183-188. https://doi.org/10.1049/iet-map.2019.0362
A metamaterial photonic bandgap (MTM-PBG) periodic structure is used as a decoupling frame to improve the isolation between transmit–receive (T/R) sections of densely packed a...

Expanding the portfolio of tribo-positive materials: aniline formaldehyde condensates for high charge density triboelectric nanogenerators

Journal Article
Zhao, P., Soin, N., Kumar, A., Shi, L., Guan, S., Tsonos, C., …Luo, J. (2020)
Expanding the portfolio of tribo-positive materials: aniline formaldehyde condensates for high charge density triboelectric nanogenerators. Nano Energy, 67, https://doi.org/10.1016/j.nanoen.2019.104291
The rapid uptake of energy harvesting triboelectric nanogenerators (TENGs) for self-powered electronics requires the development of high-performance tribo-materials capable of...

High-Performance 50μm Silicon-Based On-Chip Antenna with High Port-To-Port Isolation Implemented by Metamaterial and SIW Concepts for THz Integrated Systems

Conference Proceeding
Alibakhshikenari, M., Virdee, B. S., See, C., Abd-Alhameed, R., Falcone, F., & Limiti, E. (2019)
High-Performance 50μm Silicon-Based On-Chip Antenna with High Port-To-Port Isolation Implemented by Metamaterial and SIW Concepts for THz Integrated Systems. In 2019 Thirteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials)https://doi.org/10.1109/MetaMaterials.2019.8900874
A novel 50μm Silicon-based on-chip antenna is presented that combines metamaterial (MTM) and substrate integrated waveguide (SIW) technologies for integration in THz circuits ...

Curvilinear MetaSurfaces for Surface Wave Manipulation.

Journal Article
La Spada, L., Spooner, C., Haq, S., & Hao, Y. (2019)
Curvilinear MetaSurfaces for Surface Wave Manipulation. Scientific Reports, 9(1), https://doi.org/10.1038/s41598-018-36451-8
Artificial sheet materials, known as MetaSurfaces, have been applied to fully control both space and surface waves due to their exceptional abilities to dynamically tailor wav...

Mathematical Model for Calibration of Potential Detection of Nonlinear Responses in Biological Media Exposed to RF Energy

Journal Article
See, C. H., Abd-Alhameed, R. A., Mirza, A. F., McEwan, N. J., Excell, P. S., & Balzano, Q. (2017)
Mathematical Model for Calibration of Potential Detection of Nonlinear Responses in Biological Media Exposed to RF Energy. The Applied Computational Electromagnetics Society Journal, 32(1), 1-7
An efficient way to test for potential unsymmetrical nonlinear responses in biological tissue samples exposed to a microwave signal is to observe the second harmonic in a cavi...

Surface wave cloaking using transformation optics

Conference Proceeding
La Spada, L., & Hao, Y. (2015)
Surface wave cloaking using transformation optics. In 2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC)doi:10.1109/ursi-at-rasc.2015.7302892
Recently, there has been an increasing interest in the study of manipulating surface waves from microwave to optical frequencies [1, 2], especially for the design of conformal...

Electromagnetic modeling of metamaterial-based sensors

Conference Proceeding
Spada, L. L. (2015)
Electromagnetic modeling of metamaterial-based sensors. doi:10.1109/imws-bio.2014.7032448
In this paper metamaterial-based sensors electromagnetic modeling is presented. In particular, the interaction between the electromagnetic waves and such structures is analyti...

Metasurface-Epsilon Near Zero-based Electromagnetic Wave Absorber

Conference Proceeding
La Spada, L. (2014)
Metasurface-Epsilon Near Zero-based Electromagnetic Wave Absorber. In Proceedings of 9th International Conference on Body Area Networksdoi:10.4108/icst.bodynets.2014.257016
The purpose of this paper is to design a new electromagnetic wave absorber. It consists of a planar layered structure with an isotropic Epsilon-Near-Zero (ENZ) material and a ...

Step forward to map fully parallel energy efficient cortical columns on field programmable gate arrays

Journal Article
Ghani, A., See, C. H., & Usman Ali, S. M. U. (2014)
Step forward to map fully parallel energy efficient cortical columns on field programmable gate arrays. IET Science, Measurements and Technology, 8(6), 432-440. https://doi.org/10.1049/iet-smt.2014.0004
This study presents energy and area-efficient hardware architectures to map fully parallel cortical columns on reconfigurable platform - field programmable gate arrays (FPGAs)...

Spectral Green's Function for SPR Meta-Structures

Journal Article
Iovine, R., La Spada, L., Tarparelli, R., & Vegni, L. (2014)
Spectral Green's Function for SPR Meta-Structures. Materials Science Forum, 792, 110-114. doi:10.4028/www.scientific.net/msf.792.110
In this paper we propose a new approach to study the electromagnetic field in Surface Plasmon Resonance (SPR) meta-structures. The geometry is a planar structure infinitely ex...