ArticleScientific reports2023
A gold nanoparticles coated unclad single mode fiber-optic sensor based on localized surface plasmon resonance.
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 3 papers.
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Who cites it
3 citing papers in PubMed.
- High sensitivity tapered fiber refractive index biosensor using hollow gold nanoparticles.Scientific reports · 2025Article
- Citrate polymer optical fiber for measuring refractive index based on LSPR sensor.Scientific reports · 2024Article
- Mesoporous Ag@WOScientific reports · 2024Article
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Authors and funding
10 authors.
Funding
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Abstract
In the last few decays, the fiber-optic was employed in the field of sensing because of its benefits in contrast to other types of sensors such as small size, easy to fabricate, high response, and flexibility. In this study, unclad single mode fiber-optic sensor is proposed to operate at 650 nm wavelength. COMSOL Multiphysics 5.1 finite element method (FEM) is used to design the sensor and tested it theoretically. The middle portion of the fiber cladding is removed and replaced by gold nanoparticles (Au NPs) of 50 nm thickness. Analytic layer of 3 μm thickness was immersed in different liquids in range of refractive index (RI) from 1.000281 to 1.39. These liquids are NaCl Deionized (DI) water solution, sucrose-Deionized (DI) water solution, and glycerol solution Deionized (DI) water. It was found that the highest obtained sensitivity and resolution are for glycerol-DI water solution with value of 3157.98 (nm/RIU) and 3.16 × 10
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