Analysis of mutual couplings in a concentric circular ring plasmonic optical antenna array

In this paper, we report the analysis of a concentric circular ring plasmonic optical antenna (POA) array using a simple lumped coupled circuit (LCC) model. The currents in the circular rings of the POA array and their mutual couplings are analyzed using the LCC model. The results agree well with th...

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Autores principales: Gu, Guiru, Li, Lin, Zhang, Yingjie, Kemsri, Thitikorn, Lu, Xuejun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2017
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5591257/
https://www.ncbi.nlm.nih.gov/pubmed/28887469
http://dx.doi.org/10.1038/s41598-017-10690-7
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author Gu, Guiru
Li, Lin
Zhang, Yingjie
Kemsri, Thitikorn
Lu, Xuejun
author_facet Gu, Guiru
Li, Lin
Zhang, Yingjie
Kemsri, Thitikorn
Lu, Xuejun
author_sort Gu, Guiru
collection PubMed
description In this paper, we report the analysis of a concentric circular ring plasmonic optical antenna (POA) array using a simple lumped coupled circuit (LCC) model. The currents in the circular rings of the POA array and their mutual couplings are analyzed using the LCC model. The results agree well with the numerical simulation using CST’s Microwave Studio®. The LCC model reveals the mutual couplings between the antenna rings. It is found that the mutual couplings are not only between the adjacent antenna rings, but also involve their second (2(nd)) nearest or farther neighbors. Since the near-fields of the optical antennas are related to the currents in the optical antennas, the LCC model provides a useful tool for the analysis of the near-field and their mutual interactions in the circular ring POA array.
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spelling pubmed-55912572017-09-13 Analysis of mutual couplings in a concentric circular ring plasmonic optical antenna array Gu, Guiru Li, Lin Zhang, Yingjie Kemsri, Thitikorn Lu, Xuejun Sci Rep Article In this paper, we report the analysis of a concentric circular ring plasmonic optical antenna (POA) array using a simple lumped coupled circuit (LCC) model. The currents in the circular rings of the POA array and their mutual couplings are analyzed using the LCC model. The results agree well with the numerical simulation using CST’s Microwave Studio®. The LCC model reveals the mutual couplings between the antenna rings. It is found that the mutual couplings are not only between the adjacent antenna rings, but also involve their second (2(nd)) nearest or farther neighbors. Since the near-fields of the optical antennas are related to the currents in the optical antennas, the LCC model provides a useful tool for the analysis of the near-field and their mutual interactions in the circular ring POA array. Nature Publishing Group UK 2017-09-08 /pmc/articles/PMC5591257/ /pubmed/28887469 http://dx.doi.org/10.1038/s41598-017-10690-7 Text en © The Author(s) 2017 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Gu, Guiru
Li, Lin
Zhang, Yingjie
Kemsri, Thitikorn
Lu, Xuejun
Analysis of mutual couplings in a concentric circular ring plasmonic optical antenna array
title Analysis of mutual couplings in a concentric circular ring plasmonic optical antenna array
title_full Analysis of mutual couplings in a concentric circular ring plasmonic optical antenna array
title_fullStr Analysis of mutual couplings in a concentric circular ring plasmonic optical antenna array
title_full_unstemmed Analysis of mutual couplings in a concentric circular ring plasmonic optical antenna array
title_short Analysis of mutual couplings in a concentric circular ring plasmonic optical antenna array
title_sort analysis of mutual couplings in a concentric circular ring plasmonic optical antenna array
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5591257/
https://www.ncbi.nlm.nih.gov/pubmed/28887469
http://dx.doi.org/10.1038/s41598-017-10690-7
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