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Ultrahigh Sensitivity of a Plasmonic Pressure Sensor with a Compact Size

This study proposes a compact plasmonic metal-insulator-metal pressure sensor comprising a bus waveguide and a resonator, including one horizontal slot and several stubs. We calculate the transmittance spectrum and the electromagnetic field distribution using the finite element method. When the reso...

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Autores principales: Chou Chao, Chung-Ting, Chou Chau, Yuan-Fong, Chen, Sy-Hann, Huang, Hung Ji, Lim, Chee Ming, Kooh, Muhammad Raziq Rahimi, Thotagamuge, Roshan, Chiang, Hai-Pang
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8622075/
https://www.ncbi.nlm.nih.gov/pubmed/34835910
http://dx.doi.org/10.3390/nano11113147
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author Chou Chao, Chung-Ting
Chou Chau, Yuan-Fong
Chen, Sy-Hann
Huang, Hung Ji
Lim, Chee Ming
Kooh, Muhammad Raziq Rahimi
Thotagamuge, Roshan
Chiang, Hai-Pang
author_facet Chou Chao, Chung-Ting
Chou Chau, Yuan-Fong
Chen, Sy-Hann
Huang, Hung Ji
Lim, Chee Ming
Kooh, Muhammad Raziq Rahimi
Thotagamuge, Roshan
Chiang, Hai-Pang
author_sort Chou Chao, Chung-Ting
collection PubMed
description This study proposes a compact plasmonic metal-insulator-metal pressure sensor comprising a bus waveguide and a resonator, including one horizontal slot and several stubs. We calculate the transmittance spectrum and the electromagnetic field distribution using the finite element method. When the resonator’s top layer undergoes pressure, the resonance wavelength redshifts with increasing deformation, and their relation is nearly linear. The designed pressure sensor possesses the merits of ultrahigh sensitivity, multiple modes, and a simple structure. The maximum sensitivity and resonance wavelength shift can achieve 592.44 nm/MPa and 364 nm, respectively, which are the highest values to our knowledge. The obtained sensitivity shows 23.32 times compared to the highest one reported in the literature. The modeled design paves a promising path for applications in the nanophotonic field.
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spelling pubmed-86220752021-11-27 Ultrahigh Sensitivity of a Plasmonic Pressure Sensor with a Compact Size Chou Chao, Chung-Ting Chou Chau, Yuan-Fong Chen, Sy-Hann Huang, Hung Ji Lim, Chee Ming Kooh, Muhammad Raziq Rahimi Thotagamuge, Roshan Chiang, Hai-Pang Nanomaterials (Basel) Article This study proposes a compact plasmonic metal-insulator-metal pressure sensor comprising a bus waveguide and a resonator, including one horizontal slot and several stubs. We calculate the transmittance spectrum and the electromagnetic field distribution using the finite element method. When the resonator’s top layer undergoes pressure, the resonance wavelength redshifts with increasing deformation, and their relation is nearly linear. The designed pressure sensor possesses the merits of ultrahigh sensitivity, multiple modes, and a simple structure. The maximum sensitivity and resonance wavelength shift can achieve 592.44 nm/MPa and 364 nm, respectively, which are the highest values to our knowledge. The obtained sensitivity shows 23.32 times compared to the highest one reported in the literature. The modeled design paves a promising path for applications in the nanophotonic field. MDPI 2021-11-21 /pmc/articles/PMC8622075/ /pubmed/34835910 http://dx.doi.org/10.3390/nano11113147 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Chou Chao, Chung-Ting
Chou Chau, Yuan-Fong
Chen, Sy-Hann
Huang, Hung Ji
Lim, Chee Ming
Kooh, Muhammad Raziq Rahimi
Thotagamuge, Roshan
Chiang, Hai-Pang
Ultrahigh Sensitivity of a Plasmonic Pressure Sensor with a Compact Size
title Ultrahigh Sensitivity of a Plasmonic Pressure Sensor with a Compact Size
title_full Ultrahigh Sensitivity of a Plasmonic Pressure Sensor with a Compact Size
title_fullStr Ultrahigh Sensitivity of a Plasmonic Pressure Sensor with a Compact Size
title_full_unstemmed Ultrahigh Sensitivity of a Plasmonic Pressure Sensor with a Compact Size
title_short Ultrahigh Sensitivity of a Plasmonic Pressure Sensor with a Compact Size
title_sort ultrahigh sensitivity of a plasmonic pressure sensor with a compact size
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8622075/
https://www.ncbi.nlm.nih.gov/pubmed/34835910
http://dx.doi.org/10.3390/nano11113147
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