Machine learning assisted hepta band THz metamaterial absorber for biomedical applications

P Jain, H Chhabra, U Chauhan, K Prakash, A Gupta… - Scientific reports, 2023 - nature.com
A hepta-band terahertz metamaterial absorber (MMA) with modified dual T-shaped
resonators deposited on polyimide is presented for sensing applications. The proposed …

Simple design of a six-band terahertz perfect metasurface absorber based on a single resonator structure

Y Cheng, J Zhao - Physica Scripta, 2022 - iopscience.iop.org
In this paper, we present a simple design of six-band terahertz (THz) perfect metasurface
absorber (PMSA) composed of a single circular-split-ring (CSR) structure placed over a …

Multi-band terahertz absorber at 0.1–1 THz frequency based on ultra-thin metamaterial

Y He, Q Wu, S Yan - Plasmonics, 2019 - Springer
In this letter, we design a terahertz (THz) multi-band absorber comprised of four square
open/closed loops and a ring wall resonant metamaterial with a high absorption rate for TE …

Multifunctional metasurface for broadband absorption, linear and circular polarization conversions

Z Li, R Yang, J Wang, Y Zhao, J Tian… - Optical Materials …, 2021 - opg.optica.org
With the development of metasurfaces and the improvement of manufacturing technology, it
is important and imperative to design novel metasurfaces that can flexibly manipulate …

Multifunctional active terahertz metasurface with electromagnetically induced transparency, perfect absorption, and circular dichroism

UUR Qureshi, B Hu, MI Khan, M Ahmad - Optics Communications, 2024 - Elsevier
Navigated by the continued demand for design integration and miniaturization, incorporating
multiple diversified operations into a single metasurface hybridized with the tunable …

Quad band metal-dielectric-metal perfect absorber to selective sensing application

SA Khatami, P Rezaei, P Zamzam - Optical and Quantum Electronics, 2022 - Springer
In this article, we have managed to achieve a quad-band perfect classical absorber in the
terahertz band. In this proposed structure, which consists of three layers that the top and …

Graphene-based tunable multi-band metamaterial polarization-insensitive absorber for terahertz applications

P Jain, S Bansal, K Prakash, N Sardana… - Journal of Materials …, 2020 - Springer
This paper presents a graphene-based tunable polarization-insensitive metamaterial
absorber (MMA) at terahertz (THz) frequencies. The absorber consists of top patterned gold …

[HTML][HTML] Quad-band polarization sensitive terahertz metamaterial absorber using Gemini-shaped structure

P Jain, K Prakash, GM Khanal, N Sardana, S Kumar… - Results in Optics, 2022 - Elsevier
In this article, we design a metamaterial absorber (MMA) to provide quad-band absorption
characteristics in terahertz range. The proposed MMA structure comprises of a Gemini …

Multiband generation and absorption enhancement in a graphite-based metal-free absorber

AK Soni, G Varshney - Plasmonics, 2021 - Springer
A technique is implemented for multiband generation and absorption enhancement in a
graphite-based absorber. The aspect ratio of the graphite sheet is selected to support the …

Broadband metasurface solar absorber in the visible and near-infrared region

SK Patel, S Charola, J Parmar… - Materials Research …, 2019 - iopscience.iop.org
We propose highly efficient and broadband metasurface absorber for 100 THz to 1000 THz
frequency range. An array of pyramid shape block made up of tungsten material is placed …