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High-Transmittance Subwavelength Metal Grating with Relief Structure Composed of Multiple Steps

A new kind of subwavelength metal grating with relief structure is designed and analyzed, in which the shape of the grating lines is no longer a single rectangle, but a relief structure with multiple steps. GsolverV52 was used to determine the optimal values of the grating period, groove depth, and...

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Detalles Bibliográficos
Autores principales: Wang, Zhongfei, Zhang, Dawei, Wang, Qi, Xu, Banglian, Tang, Qingyong, Huang, Yuanshen, Zhuang, Songlin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi Publishing Corporation 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3948191/
https://www.ncbi.nlm.nih.gov/pubmed/24701172
http://dx.doi.org/10.1155/2014/495820
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author Wang, Zhongfei
Zhang, Dawei
Wang, Qi
Xu, Banglian
Tang, Qingyong
Huang, Yuanshen
Zhuang, Songlin
author_facet Wang, Zhongfei
Zhang, Dawei
Wang, Qi
Xu, Banglian
Tang, Qingyong
Huang, Yuanshen
Zhuang, Songlin
author_sort Wang, Zhongfei
collection PubMed
description A new kind of subwavelength metal grating with relief structure is designed and analyzed, in which the shape of the grating lines is no longer a single rectangle, but a relief structure with multiple steps. GsolverV52 was used to determine the optimal values of the grating period, groove depth, and the number of steps. The optical performance of the novel structure is evaluated and compared in terms of the transmission efficiency and extinction ratio over the visible and near-infrared wavelength spectrum. It is shown that, in the near-infrared band, the maximum transmittance can be increased about 15% compared to the traditional metal grating under the same parameters. With the unique characteristics, the metal grating is expected to find applications in liquid crystal display fields, polarization imaging, optical communication, and so on.
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spelling pubmed-39481912014-04-03 High-Transmittance Subwavelength Metal Grating with Relief Structure Composed of Multiple Steps Wang, Zhongfei Zhang, Dawei Wang, Qi Xu, Banglian Tang, Qingyong Huang, Yuanshen Zhuang, Songlin ScientificWorldJournal Research Article A new kind of subwavelength metal grating with relief structure is designed and analyzed, in which the shape of the grating lines is no longer a single rectangle, but a relief structure with multiple steps. GsolverV52 was used to determine the optimal values of the grating period, groove depth, and the number of steps. The optical performance of the novel structure is evaluated and compared in terms of the transmission efficiency and extinction ratio over the visible and near-infrared wavelength spectrum. It is shown that, in the near-infrared band, the maximum transmittance can be increased about 15% compared to the traditional metal grating under the same parameters. With the unique characteristics, the metal grating is expected to find applications in liquid crystal display fields, polarization imaging, optical communication, and so on. Hindawi Publishing Corporation 2014-02-18 /pmc/articles/PMC3948191/ /pubmed/24701172 http://dx.doi.org/10.1155/2014/495820 Text en Copyright © 2014 Zhongfei Wang et al. https://creativecommons.org/licenses/by/3.0/ This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Wang, Zhongfei
Zhang, Dawei
Wang, Qi
Xu, Banglian
Tang, Qingyong
Huang, Yuanshen
Zhuang, Songlin
High-Transmittance Subwavelength Metal Grating with Relief Structure Composed of Multiple Steps
title High-Transmittance Subwavelength Metal Grating with Relief Structure Composed of Multiple Steps
title_full High-Transmittance Subwavelength Metal Grating with Relief Structure Composed of Multiple Steps
title_fullStr High-Transmittance Subwavelength Metal Grating with Relief Structure Composed of Multiple Steps
title_full_unstemmed High-Transmittance Subwavelength Metal Grating with Relief Structure Composed of Multiple Steps
title_short High-Transmittance Subwavelength Metal Grating with Relief Structure Composed of Multiple Steps
title_sort high-transmittance subwavelength metal grating with relief structure composed of multiple steps
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3948191/
https://www.ncbi.nlm.nih.gov/pubmed/24701172
http://dx.doi.org/10.1155/2014/495820
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