ArticleSensors (Basel, Switzerland)2021
The Role of Tapered Light-Diffusing Fibers in Plasmonic Sensor Configurations.
Article in Sensors (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Twisted Fiber Optic SPR Sensor for GDF11 Concentration Detection.Micromachines · 2022Article
- Cost-Effective Fiber Optic Solutions for Biosensing.Biosensors · 2022Review
- Optimizing Evanescent Efficiency of Chalcogenide Tapered Fiber.Materials (Basel, Switzerland) · 2022Article
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Authors and funding
7 authors.
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Abstract
In this work, we experimentally analyzed the effect of tapering in light-diffusing optical fibers (LDFs) when employed as surface plasmon resonance (SPR)-based sensors. Although tapering is commonly adopted to enhance the performance of plasmonic optical fiber sensors, we have demonstrated that in the case of plasmonic sensors based on LDFs, the tapering produces a significant worsening of the bulk sensitivity (roughly 60% in the worst case), against a slight decrease in the full width at half maximum (FWHM) of the SPR spectra. Furthermore, we have demonstrated that these aspects become more pronounced when the taper ratio increases. Secondly, we have established that a possible alternative exists in using the tapered LDF as a modal filter after the sensible region. In such a case, we have determined that a good trade-off between the loss in sensitivity and the FWHM decrease could be reached.
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