A review on metamaterial absorbers: Microwave to optical

YI Abdulkarim, A Mohanty, OP Acharya… - Frontiers in …, 2022 - frontiersin.org
Metamaterials (MM) are artificially designed materials that possess unique properties due to
their geometrical design. They also display some peculiar properties, such as negative …

A high Q-factor dual-band terahertz metamaterial absorber and its sensing characteristics

D Wang, KD Xu, S Luo, Y Cui, L Zhang, J Cui - Nanoscale, 2023 - pubs.rsc.org
In this paper, a dual-band metamaterial absorber in the terahertz frequencies is proposed
and its refractive index sensing characteristics is analyzed. The metamaterial structure is …

Terahertz sensors for next generation biomedical and other industrial electronics applications: A critical review

J Ajayan, S Sreejith, M Manikandan, WC Lai… - Sensors and Actuators A …, 2024 - Elsevier
Terahertz (THz) sensors have emerged in recent years as an innovative technique for
studying biological and chemical materials in a non-destructive, label-free and non-contact …

Simulation and lithographic fabrication of a triple band terahertz metamaterial absorber coated on flexible polyethylene terephthalate substrate

YI Abdulkarim, M Xiao, HN Awl… - Optical Materials …, 2021 - opg.optica.org
A triple band metamaterial absorber in the terahertz range, incorporating a three closed
circle ring resonator, was designed and fabricated on flexible polyethylene terephthalate …

Narrowband plasmonic absorber using gold nanoparticle arrays for refractive index sensing

MR Rakhshani - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
Here, a design of localized surface plasmon resonance (LSPR)-based sensor using
narrowband metamaterial absorber based on a gold nanoparticle array is studied. The …

A graphene-based triple-band THz metamaterial absorber for cancer early detection

S Hadipour, P Rezaei - Optical and Quantum Electronics, 2023 - Springer
In this article, a silicon-graphene-based absorber in the terahertz (THz) spectrum is provided
for the synchronic surveilling of blood components such as water, glucose, cells, and so on …

Tri-band terahertz metamaterial absorber based on structural Ti3C2Tx MXene for enhanced sensing application

S Feng, L Yang, B Cai, W Yang, L Wu… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
High-performance terahertz (THz) narrow-band metamaterial absorbers (MMAs) occupy a
central position in sensing application. However, the majority of current MMAs for refractive …

[HTML][HTML] A high Q terahertz metamaterial absorber using concentric elliptical ring resonators for harmful gas sensing applications

B Appasani, A Srinivasulu, C Ravariu - Defence Technology, 2023 - Elsevier
A nearly perfect metamaterial absorber is proposed that can find utility in terahertz sensing
applications. The design consists of two concentric elliptical ring resonators (ERRs) whose …

Generating multiple resonances in ultrathin silicon for highly selective THz biosensing

MS Khan, P Giri, G Varshney - Physica Scripta, 2022 - iopscience.iop.org
A technique is implemented for achieving the multiband terahertz (THz) absorption with high-
quality factor in an absorber containing an ultrathin silicon resonator. The symmetrical …

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 …