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Terahertz Metamaterial Absorbers for Sensing Applications
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School of Electronics Engineering, Kalinga Institute of Industrial Technology, Bhubaneswar 751024, India
1. Department of Electrical and Computer Engineering, McMaster University, Hamilton, ON L8S 4K1, Canada
2. Medical Physics Department, College of Medicals & Applied Science, Charmo University, Chamchamal 46023, Sulaimania, Iraq
Department of Electrical-Electronics Engineering, Iskenderun Technical University, 31200 Hatay, Türkiye
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Terahertz Metamaterial Absorbers for Sensing Applications

Abstract submission deadline
closed (20 October 2023)
Manuscript submission deadline
closed (30 June 2024)
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2782

Topic Information

Dear Colleagues,

Metamaterials are a recent development in electromagnetics that have immense potential applications. Metamaterial absorbers are a class of metamaterial structures that can absorb all incident electromagnetic radiation. Terahertz metamaterial absorbers operate in the terahertz band. The terahertz band is not as thoroughly explored as the microwave and the optical bands—a gap infamously known as the “terahertz gap”. However, many researchers are contributing to this domain, and these absorbers can also be used for sensing applications, such as refractive index sensing, analyte depth sensing, biomedical sensing, food quality sensing, gas detection, etc. The development of highly sensitive polarization- and incident-angle-independent designs is still a challenging topic of research.

Dr. Bhargav Appasani
Dr. Yadgar I. Abdulkarim
Prof. Dr. Muharrem Karaaslan
Topic Editors

Keywords

  • terahertz metamaterial absorbers
  • refractive index sensing
  • analyte depth sensing
  • gas sensing
  • biomedical sensing
  • cancer detection
  • vanadium-dioxide-based absorbers
  • graphene-based absorbers

Participating Journals

Journal Name Impact Factor CiteScore Launched Year First Decision (median) APC
Applied Sciences
applsci 		2.5 5.3 2011 18.4 Days CHF 2400
Materials
materials 		3.1 5.8 2008 13.9 Days CHF 2600
Crystals
crystals 		2.4 4.2 2011 11.1 Days CHF 2100

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Published Papers (1 paper)

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Article
Frequency Magnetically Tunable Terahertz Perfect Absorber Based on Graphene and Silica Layered Dielectric
by Zhenyan Wei, Yannan Jiang and Jiao Wang
Crystals 2023, 13(4), 553; https://doi.org/10.3390/cryst13040553 - 23 Mar 2023
Cited by 4 | Viewed by 1871
Abstract
A frequency magnetically tunable perfect absorber based on graphene in the terahertz (THz) region is proposed. The performance is analysed using the 4 × 4 transfer matrix method, demonstrating that the perfect absorption frequency of the proposed absorber for a left-handed circularly polarized [...] Read more.
A frequency magnetically tunable perfect absorber based on graphene in the terahertz (THz) region is proposed. The performance is analysed using the 4 × 4 transfer matrix method, demonstrating that the perfect absorption frequency of the proposed absorber for a left-handed circularly polarized (LCP) wave can be dynamically tuned by varying the external static bias magnetic field in three frequency ranges (0.95–2.2 THz, 4.15–5.4 THz, and 7.3–8.55 THz). Due to the destructive interference of the reflected waves and the graphene-induced photonic band gap, the maximum absorption of the LCP wave can reach 99.91%. In addition, the proposed absorber can tolerate a wide range of incident angles for the LCP wave. This study may have great potential for various applications, such as detectors, sensors, and other optoelectronic devices in the THz region. Full article
(This article belongs to the Topic Terahertz Metamaterial Absorbers for Sensing Applications)
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