ArticleNanomaterials (Basel, Switzerland)2022
Tunable Optimal Dual Band Metamaterial Absorber for High Sensitivity THz Refractive Index Sensing.
Article in Nanomaterials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Dual-band graphene-assisted metamaterial absorber with machine learning integration for high-sensitivity THz biosensing.Scientific reports · 2026Article
- Efficient and optimized blood cancer detection using engineered graphene-based silicon-TiN-silicon multilayered plasmonic sensor design with behaviour prediction using machine learning.Scientific reports · 2026Article
- A Refractive Index-Based Dual-Band Metamaterial Sensor Design and Analysis for Biomedical Sensing Applications.Sensors (Basel, Switzerland) · 2025Article
- Triple-band highly sensitive terahertz metamaterial absorber for biomedical sensing applications.PloS one · 2025Article
- Tunable High-Sensitivity Four-Frequency Refractive Index Sensor Based on Graphene Metamaterial.Sensors (Basel, Switzerland) · 2024Article
- Near-Infrared Perfect Absorption and Refractive Index Sensing Enabled by Split Ring Nanostructures.Nanomaterials (Basel, Switzerland) · 2023Article
- Design of an Ultra-Wideband Transparent Wave Absorber.Materials (Basel, Switzerland) · 2023Article
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6 authors.
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Abstract
We present a simple dual band absorber design and investigate it in the terahertz (THz) region. The proposed absorber works in dual operating bands at 5.1 THz and 11.7 THz. By adjusting the graphene chemical potential, the proposed absorber has the controllability of the resonance frequency to have perfect absorption at various frequencies. The graphene surface plasmon resonance results in sharp and narrow resonance absorption peaks. For incident angles up to 8°, the structure possesses near-unity absorption. The proposed sensor absorber's functionality is evaluated using sensing medium with various refractive indices. The proposed sensor is simulated for glucose detection and a maximum sensitivity of 4.72 THz/RIU is observed. It has a maximum figure of merit (FOM) and Quality factor (Q) value of 14 and 32.49, respectively. The proposed optimal absorber can be used to identify malaria virus and cancer cells in blood. Hence, the proposed plasmonic sensor is a serious contender for biomedical uses in the diagnosis of bacterial infections, cancer, malaria, and other diseases.
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