A Nanoscale Structure Based on an MIM Waveguide Coupled with a Q Resonator for Monitoring Trace Element Concentration in the Human Body

In this study, a nano-refractive index sensor is designed that consists of a metal–insulator–metal (MIM) waveguide with a stub-1 and an orthogon ring resonator (ORR) with a stub-2. The finite element method (FEM) was used to analyze the transmission characteristics of the system. We studied the caus...

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Autores principales:	Tingsong Li, Shubin Yan, Pengwei Liu, Xiaoyu Zhang, Yi Zhang, Lifang Shen, Yifeng Ren, Ertian Hua
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	MIM surface plasmon polaritons (SPPs) Fano resonance refractive index sensor trace element concentration monitoring Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/53ba6433d7734196b357ea0df6c00e5f
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id	oai:doaj.org-article:53ba6433d7734196b357ea0df6c00e5f
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spelling	oai:doaj.org-article:53ba6433d7734196b357ea0df6c00e5f2021-11-25T18:23:34ZA Nanoscale Structure Based on an MIM Waveguide Coupled with a Q Resonator for Monitoring Trace Element Concentration in the Human Body10.3390/mi121113842072-666Xhttps://doaj.org/article/53ba6433d7734196b357ea0df6c00e5f2021-11-01T00:00:00Zhttps://www.mdpi.com/2072-666X/12/11/1384https://doaj.org/toc/2072-666XIn this study, a nano-refractive index sensor is designed that consists of a metal–insulator–metal (MIM) waveguide with a stub-1 and an orthogon ring resonator (ORR) with a stub-2. The finite element method (FEM) was used to analyze the transmission characteristics of the system. We studied the cause and internal mechanism of Fano resonance, and optimized the transmission characteristics by changing various parameters of the structure. In our experimental data, the suitable sensitivity could reach 2260 nm/RIU with a figure of merit of 211.42. Furthermore, we studied the detection of the concentration of trace elements (such as Na<sup>+</sup>) of the structure in the human body, and its sensitivity reached 0.505 nm/mgdL<sup>−1</sup>. The structure may have other potential applications in sensors.Tingsong LiShubin YanPengwei LiuXiaoyu ZhangYi ZhangLifang ShenYifeng RenErtian HuaMDPI AGarticleMIMsurface plasmon polaritons (SPPs)Fano resonancerefractive index sensortrace element concentration monitoringMechanical engineering and machineryTJ1-1570ENMicromachines, Vol 12, Iss 1384, p 1384 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	MIM surface plasmon polaritons (SPPs) Fano resonance refractive index sensor trace element concentration monitoring Mechanical engineering and machinery TJ1-1570
spellingShingle	MIM surface plasmon polaritons (SPPs) Fano resonance refractive index sensor trace element concentration monitoring Mechanical engineering and machinery TJ1-1570 Tingsong Li Shubin Yan Pengwei Liu Xiaoyu Zhang Yi Zhang Lifang Shen Yifeng Ren Ertian Hua A Nanoscale Structure Based on an MIM Waveguide Coupled with a Q Resonator for Monitoring Trace Element Concentration in the Human Body
description	In this study, a nano-refractive index sensor is designed that consists of a metal–insulator–metal (MIM) waveguide with a stub-1 and an orthogon ring resonator (ORR) with a stub-2. The finite element method (FEM) was used to analyze the transmission characteristics of the system. We studied the cause and internal mechanism of Fano resonance, and optimized the transmission characteristics by changing various parameters of the structure. In our experimental data, the suitable sensitivity could reach 2260 nm/RIU with a figure of merit of 211.42. Furthermore, we studied the detection of the concentration of trace elements (such as Na<sup>+</sup>) of the structure in the human body, and its sensitivity reached 0.505 nm/mgdL<sup>−1</sup>. The structure may have other potential applications in sensors.
format	article
author	Tingsong Li Shubin Yan Pengwei Liu Xiaoyu Zhang Yi Zhang Lifang Shen Yifeng Ren Ertian Hua
author_facet	Tingsong Li Shubin Yan Pengwei Liu Xiaoyu Zhang Yi Zhang Lifang Shen Yifeng Ren Ertian Hua
author_sort	Tingsong Li
title	A Nanoscale Structure Based on an MIM Waveguide Coupled with a Q Resonator for Monitoring Trace Element Concentration in the Human Body
title_short	A Nanoscale Structure Based on an MIM Waveguide Coupled with a Q Resonator for Monitoring Trace Element Concentration in the Human Body
title_full	A Nanoscale Structure Based on an MIM Waveguide Coupled with a Q Resonator for Monitoring Trace Element Concentration in the Human Body
title_fullStr	A Nanoscale Structure Based on an MIM Waveguide Coupled with a Q Resonator for Monitoring Trace Element Concentration in the Human Body
title_full_unstemmed	A Nanoscale Structure Based on an MIM Waveguide Coupled with a Q Resonator for Monitoring Trace Element Concentration in the Human Body
title_sort	nanoscale structure based on an mim waveguide coupled with a q resonator for monitoring trace element concentration in the human body
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/53ba6433d7734196b357ea0df6c00e5f
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A Nanoscale Structure Based on an MIM Waveguide Coupled with a Q Resonator for Monitoring Trace Element Concentration in the Human Body

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