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- Title
D-type photonic crystal fiber low refractive index sensor based on surface plasmon.
- Authors
Li, Runhua; Liu, Sitong; Wang, Hongman; Yang, Ziyi; Sun, Lulu; Ma, Ji
- Abstract
This study presents the design and analysis of a novel surface plasmon resonance sensor based on D-type photonic crystal fiber. The analyte channel in the sensor comprises an open ring with a thin gold film deposited on the channel, inducing the surface plasmon resonance effect to enhance the resonance effect and improve the spectral sensitivity of the sensor. The proposed design eliminates the need to introduce liquid into the analyte channel. Upon inserting the sensor into the vessel, the analyte automatically flows into the liquid channel. Simulations illustrate the capability of the proposed sensor to detect low refractive indices spanning from 1. 1 5 to 1. 2 6 , exhibiting a remarkable spectral sensitivity of up to 9000 nm/RIU. The surface plasmon resonance sensor presented in this study emerges as a competitive candidate for applications requiring low refractive index detection. It is all because of its promising sensing results, wide refractive index sensing range, and simple, compact fiber design.
- Subjects
REFRACTIVE index; SURFACE plasmon resonance; SPECTRAL sensitivity; RESONANCE effect; PHOTONIC crystal fibers; GOLD films; DETECTORS
- Publication
International Journal of Modern Physics C: Computational Physics & Physical Computation, 2024, Vol 35, Issue 7, p1
- ISSN
0129-1831
- Publication type
Article
- DOI
10.1142/S0129183124500918