ArticleScientific reports2023
A single-mode tunable plasmonic sensor based on an 8-shaped resonator for cancer cell detection.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- High sensitivity formalin detection in aqueous solutions using plasmonic multifunctional metal insulator metal nanoring based optical refractive index sensor platform.Scientific reports · 2026Article
- Development of a high-sensitivity multimode graphene-based metamaterial biosensor with a double-split elliptical resonator for refractive index sensing and biomedical applications.Scientific reports · 2025Article
- Development of an advanced multimode refractive index plasmonic optical sensor utilizing split ring resonators for brain cancer cell detection.Scientific reports · 2025Article
- Review
- Plasmonic Sensors Based on a Metal-Insulator-Metal Waveguide-What Do We Know So Far?Sensors (Basel, Switzerland) · 2024Review
- Plasmon-Enhanced Refractive Index Sensing of Biomolecules Based on Metal-Dielectric-Metal Metasurface in the Infrared Regime.ACS omega · 2024Article
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3 authors.
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Abstract
In this paper, a novel 8-shaped resonator coupled to metal-insulator-metal waveguides is used for designing plasmonic filters and sensors. The resonator supports two resonance modes, which result in peaks in the transmission spectrum of the structure. A Q-factor of 247.4 which can reach up to 270 at the wavelength of 1187.5 nm is observed. By placing vertical and horizontal metal blades in the resonator, two tunable single-mode plasmonic filters are obtained at the first and second resonance modes, respectively. The effect of structural parameters on the transmission spectrum is investigated using the finite-difference time-domain (FDTD) method. Based on the obtained results, the proposed plasmonic structure can be used for biosensing applications such as the detection of basal cancer cells with a sensitivity of 1200 nm/RIU. It is of great significance that both the sensitivity and Q-factor values for the proposed structure are higher than most recent sensors reported in the literature. Therefore, the proposed structure is a potentially promising candidate for filtering and sensing applications.
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