ArticleScientific reports2019
A plasmonic refractive index sensor with an ultrabroad dynamic sensing range.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Accessible Sensing Sites in Metal-Insulator-Metal Plasmonic Nanostructure for Biosensing Applications.ACS applied materials & interfaces · 2025Article
- Functionalized Optical Microcavities for Sensing Applications.Nanomaterials (Basel, Switzerland) · 2025Review
- Sensitivity-Tunable Terahertz Liquid/Gas Biosensor Based on Surface Plasmon Resonance with Dirac Semimetal.Sensors (Basel, Switzerland) · 2023Article
- Generalized figure of merit for plasmonic dip measurement-based surface plasmon resonance sensors.Biomedical optics express · 2022Article
- Sensing Using Light: A Key Area of Sensors.Sensors (Basel, Switzerland) · 2021Article
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Authors and funding
5 authors.
Funding
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Abstract
Refractive index sensors based on surface plasmon resonance (SPR) promise to deliver high sensitivities. However, these sensitivities depend on the derivative of the monitored SPR parameters near resonance, so this dependency leads to a relatively narrow detection range for refractive index changes. Herein, we introduce an idea to improve the detection range refractive index through a high-contrast-index curved waveguide surrounded with an outer gold ring. The proposed detection technique, based on the output power measurement of the curved waveguide, offers a linear response over an ultrabroad range of the refractive index for a surrounding medium from n = 1 to 2.36. Meanwhile, an theoretically ultrahigh refractive index resolution (RIU) of 4.53 × 10
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