ArticleSensors (Basel, Switzerland)2020
High Sensitivity Refractive Index Sensor Based on the Excitation of Long-Range Surface Plasmon Polaritons in H-Shaped Optical Fiber.
Article in Sensors (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Highly sensitive refractive index sensor based on asymmetric spectral response of TiO2 high-contrast grating under LED illumination.PloS one · 2026Article
- High-Sensitivity Refractive Index Sensor with Dual-Channel Based on Surface Plasmon Resonance Photonic Crystal Fiber.Sensors (Basel, Switzerland) · 2024Article
- Quantitative measurement of spatial distribution of effective refractive index induced by local electron concentration at a nano slit.Nanophotonics (Berlin, Germany) · 2024Article
- Machine Learning Applications in Optical Fiber Sensing: A Research Agenda.Sensors (Basel, Switzerland) · 2024Review
- Plasmonic Sensors beyond the Phase Matching Condition: A Simplified Approach.Sensors (Basel, Switzerland) · 2022Article
- Novel Optical Fiber-Based Structures for Plasmonics Sensors.Biosensors · 2022Review
- Microwave Spoof Surface Plasmon Polariton-Based Sensor for Ultrasensitive Detection of Liquid Analyte Dielectric Constant.Sensors (Basel, Switzerland) · 2021Article
- Novel Bloch wave excitation platform based on few-layer photonic crystal deposited on D-shaped optical fiber.Scientific reports · 2021Article
- Highly Sensitive Twin Resonance Coupling Refractive Index Sensor Based on Gold- and MgFBiosensors · 2021Article
- GaN-Based High-Contrast Grating for Refractive Index Sensor Operating Blue-Violet Wavelength Region.Sensors (Basel, Switzerland) · 2020Article
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3 authors.
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Abstract
In this paper, we propose and numerically analyze a novel design for a high sensitivity refractive index (RI) sensor based on long-range surface plasmon resonance in H-shaped microstructured optical fiber with symmetrical dielectric-metal-dielectric waveguide (DMDW). The influences of geometrical and optical characteristics of the DMDW on the sensor performance are investigated theoretically. A large RI analyte range from 1.33 to 1.39 is evaluated to study the sensing characteristics of the proposed structure. The obtained results show that the DMDW improves the coupling between the fiber core mode and the plasmonic mode. The best configuration shows 27 nm of full width at half maximum with a resolution close to 1.3 × 10 - 5 nm, a high sensitivity of 7540 nm/RIU and a figure of merit of 280 RIU - 1 . Additionally, the proposed device has potential for multi-analyte sensing and self-reference when dissimilar DMDWs are deposited on the inner walls of the side holes. The proposed sensor structure is simple and presents very competitive sensing parameters, which demonstrates that this device is a promising alternative and could be used in a wide range of application areas.
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