ArticleSensors (Basel, Switzerland)2018
Self-Reference Refractive Index Sensor Based on Independently Controlled Double Resonances in Side-Coupled U-Shaped Resonators.
Article in Sensors (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Fano Resonant Sensing in MIM Waveguide Structures Based on Multiple Circular Split-Ring Resonant Cavities.Micromachines · 2025Article
- Polarization-sensitive and active controllable electromagnetically induced transparency in U-shaped terahertz metamaterials.Frontiers of optoelectronics · 2021Review
- Magnetic-field sensor with self-reference characteristic based on a magnetic fluid and independent plasmonic dual resonances.Beilstein journal of nanotechnology · 2019Article
- Multiple Fano resonances with flexible tunablity based on symmetry-breaking resonators.Beilstein journal of nanotechnology · 2019Article
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3 authors.
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Abstract
A plasmonic, refractive, index nanosensor is investigated theoretically and numerically in two U-shaped cavities side-coupled to a metal⁻dielectric⁻metal (MDM) waveguide. A transparency window between two transmission dips is observed. The physical origin of the transmission phenomenon is revealed by mapping the magnetic field distribution. Independent double resonances are realized through the proposed design. Double resonances showed diverse responses to the variations of the structural dimensions. In particular, they presented different dependences on a refraction index of the medium in an individual resonator. One resonance exhibited a remarkable shift with the increase of the refraction index; however, the other resonance remained unchanged. On the basis of this unique characteristic of differing sensitivities, self-reference sensing is discussed. The nanosensor yielded a high sensitivity of 917 nm/RIU and a figure of merit of 180 RIU
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