Highly sensitive photonic crystal fiber based surface plasmon resonance biosensor for detection of wide range of organic solutions

IF 5.4 Q1 CHEMISTRY, ANALYTICAL

Sensing and Bio-Sensing Research Pub Date : 2024-02-01 DOI:10.1016/j.sbsr.2024.100623

Nafisa Tasnim , Md. Arafat Rahman , Md. Rifat Rahman , Tanvir Ahmed

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引用次数: 0

Abstract

This study introduces a dual-core photonic crystal fiber incorporating a highly responsive plasmonic refractive index (RI) sensor. The performance of the RI sensor is evaluated based on amplitude sensitivity, wavelength resolution, wavelength sensitivity, and the linearity of the resonance wavelength. Employing the finite element technique (FEM), a numerical analysis of the proposed design is conducted. Results indicate that employing the amplitude interrogation method yields a peak amplitude sensitivity of 605.82 RIU⁻¹ for y-polarization. Furthermore, the wavelength interrogation approach for y-polarized modes demonstrates a maximum wavelength sensitivity of approximately 17,000 nm/RIU and a maximum wavelength resolution of 5.88 × 10⁻⁶ RIU. The proposed sensor exhibits a figure of merit of approximately 298 and effectively responds to refractive index variations within the range of 1.28 to 1.40. These promising outcomes, coupled with the broad sensing range, establish the suggested sensor as a promising candidate for the detection of organic chemical solutions.

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基于表面等离子体共振的高灵敏度光子晶体光纤生物传感器，用于检测多种有机溶液

本研究介绍了一种双核光子晶体光纤，其中集成了高响应性的等离子体折射率（RI）传感器。根据振幅灵敏度、波长分辨率、波长灵敏度和共振波长的线性度，对 RI 传感器的性能进行了评估。利用有限元技术（FEM）对拟议设计进行了数值分析。结果表明，采用振幅查询方法，Y 偏振的峰值振幅灵敏度为 605.82 RIU-1。此外，针对 y 极化模式的波长查询方法显示，最大波长灵敏度约为 17,000 nm/RIU，最大波长分辨率为 5.88 × 10-6 RIU。拟议传感器的优点系数约为 298，能有效地应对 1.28 至 1.40 范围内的折射率变化。这些可喜的成果，加上宽广的传感范围，使所建议的传感器成为检测有机化学溶液的理想候选产品。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Sensing and Bio-Sensing Research Engineering-Electrical and Electronic Engineering

CiteScore

10.70

自引率

3.80%

发文量

审稿时长

87 days

期刊介绍： Sensing and Bio-Sensing Research is an open access journal dedicated to the research, design, development, and application of bio-sensing and sensing technologies. The editors will accept research papers, reviews, field trials, and validation studies that are of significant relevance. These submissions should describe new concepts, enhance understanding of the field, or offer insights into the practical application, manufacturing, and commercialization of bio-sensing and sensing technologies. The journal covers a wide range of topics, including sensing principles and mechanisms, new materials development for transducers and recognition components, fabrication technology, and various types of sensors such as optical, electrochemical, mass-sensitive, gas, biosensors, and more. It also includes environmental, process control, and biomedical applications, signal processing, chemometrics, optoelectronic, mechanical, thermal, and magnetic sensors, as well as interface electronics. Additionally, it covers sensor systems and applications, µTAS (Micro Total Analysis Systems), development of solid-state devices for transducing physical signals, and analytical devices incorporating biological materials.