A broadband biosensor using graphene-metasurface based cross-polarization converter

SK Ghosh, A Chaudhuri, P Pal, B Rai… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
We present the design and analysis of a graphene metasurface-based cross polarization
converter operating within the terahertz gap for detecting biomolecules over a broad spectral …

Going Beyond a Simple RIS: Trends and Techniques Paving the Path of Future RIS

K Shafique, M Alhassoun - IEEE Open Journal of Antennas …, 2024 - ieeexplore.ieee.org
To have uninterrupted wireless connectivity, higher throughput, and latency rate down to
nanoseconds; future networks will rely heavily on higher frequency bands, yet these signals …

High sensitive metasurface absorber for refractive index sensing

R Agrahari, S Dwivedi, PK Jain… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Metasurface absorber-based terahertz biosensors are one of the emerging fields for sensing
devices because of their quick response to changes in the background refractive index …

Polarization and incident angle independent multifunctional tunable terahertz metasurface based on graphene

UUR Qureshi, S Basir, F Mallek, H Hamam - Scientific Reports, 2024 - nature.com
Motivated by the imperative demand for design integration and miniaturization within the
terahertz (THz) spectrum, this study presents an innovative solution to the challenges …

Reconfigurable design of mmWave liquid-crystal frequency selective surface at Ka-band

HH Chou, GJ Ke, CC Lin, GS Lin - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
A reconfigurable design of frequency selective surface (FSS) using nematic liquid crystal
(LC) materials is reported. The proposed LC-FSS resonates at Ka-band frequencies to …

Thermally switchable metasurface for controlling transmission in the THz-gap

N Kumar, SK Ghosh, S Bhattacharyya - Plasmonics, 2024 - Springer
This paper presents a metasurface (MS) providing single to dual transmission frequency
bands under different thermal excitation conditions. Vanadium dioxide (VO2) has been …

Tunable microwave dual-band patch antenna through integration of metamaterials and nanoscale ferroelectrics

M Aldrigo, AC Tasolamprou, D Vasilache… - Physical Review …, 2023 - APS
We present a CMOS-compatible silicon-based patch antenna providing a tunable dual-band
behavior in the 8–12 GHz frequency range. The dual-band operation is induced by an …

UWB Frequency-Selective Surface Absorber Based on Graphene Featuring Wide-Angle Stability

Z Wang, J Huang, D Sun, Q Zeng, M Song, TA Denidni - Sensors, 2023 - mdpi.com
In this paper, an ultra-wideband and polarization-insensitive frequency-selective surface
absorber is presented with oblique incident stable behavior. Different from conventional …

A multifunctional metamaterial device with tunable broadband absorption and transmission characteristics in the terahertz region

Y Zhang, Y Tang, Y Li, X He - Plasmonics, 2024 - Springer
In this paper, a multifunctional terahertz (THz) metamaterial device with multifunction is
proposed. Based on graphene and vanadium dioxide (VO2), tunable broadband absorption …

Polarization-insensitive graphene-based THz rasorber with ATA characteristics

MF Ali, R Bhattacharya - Physica Scripta, 2023 - iopscience.iop.org
This paper presents a polarization-insensitive rasorber implemented with absorption-
transmission-absorption (ATA) characteristics over three consecutive frequency ranges in …