Detection of kerosene adulteration in automobile fuel by a low-loss surface plasmon resonance (SPR) chemical sensor

Yang, Lin; Shi, Ying; Yi, Zao; Song, Xinping; Lv, Jingwei; Chu, Paul K.; Liu, Chao

doi:10.1039/d2ay00508e

Cited by 4 publications

(1 citation statement)

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“…The sensor components are fused silica, TiO2, and gold coating [15]. Yang et al [16] also reported their work related to the SPR-PCF component in detecting kerosene concentrations in the concentration range of 0% to 90%, in their work obtaining a confinement loss (CL) of 5.4 dB/cm. Nuzhat et al [17] reported ultra-sensitivity SPR-PCF sensor components in detecting the analyte RI, the detection ranges from 1.33 to 1.4 RIU.…”

Section: Introductionmentioning

confidence: 99%

Ultra low loss and dual polarized SPR-PCF sensor based on refractive index

Irawan,

Ramadhan,

Saktioto

et al. 2023

Bulletin EEI

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In this paper presents a numerical simulation using the finite element method (FEM) to analyze the performance of a photonic crystal fiber (PCF) integrated with plasmonic material sensor components. The sensor comprises silica and Au layers with a thickness of 45 nm, arranged in a simple geometric structure. Our proposed sensor component exhibits ultra-low loss, distinguishing it from previous studies that have focused on wavelength-sensitive (WS) and amplitude-sensitive (AS) measurement techniques. The refractive index (RI) range of the sensor component spans from 1.32 to 1.38 RIU. The maximum WS and AS values achieved are 6,000 nm/RIU, -373.4 1/RIU (x-polarization), and -385.4 1/RIU (y-polarization), respectively. Moreover, we demonstrate an ultra-low loss of 0.00117 dB/cm (x-polarized) and 0.00307 dB/cm (ypolarized). In terms of sensor resolution, this design achieves a remarkable resolution of 1.6×10-7 RIU for both x-and y-polarized measurements

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Section: Introductionmentioning

confidence: 99%