Enhanced High Performance of a Metasurface Polarizer Through Numerical Analysis of the Degradation Characteristics

This study focuses on the experimental and numerical investigations for the degradation characteristics of a metasurface polarizer. The metasurface has a stacked complementary structure that exhibits a high extinction ratio of the order of 10,000 in the near-infrared region. However, its performance...

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Detalles Bibliográficos
Autores principales: Kurosawa, Hiroyuki, Choi, Bongseok, Iwanaga, Masanobu
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer US 2018
Materias:
Nano Express
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6068053/
https://www.ncbi.nlm.nih.gov/pubmed/30066032
http://dx.doi.org/10.1186/s11671-018-2627-x
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author Kurosawa, Hiroyuki
Choi, Bongseok
Iwanaga, Masanobu
author_facet Kurosawa, Hiroyuki
Choi, Bongseok
Iwanaga, Masanobu
author_sort Kurosawa, Hiroyuki
collection PubMed
description This study focuses on the experimental and numerical investigations for the degradation characteristics of a metasurface polarizer. The metasurface has a stacked complementary structure that exhibits a high extinction ratio of the order of 10,000 in the near-infrared region. However, its performance has significantly degraded over time. To clarify the origin of this degradation, the effects of surface roughness and metallic loss are investigated numerically. The degradation is mainly attributed to increase in the loss. These numerical calculations also reveal that the extinction ratio is enhanced by adjusting the thicknesses of the complementary structures to different values. This study paves a way to realize a metasurface polarizer that has a low sensitivity to the time degradation and has a high extinction ratio.
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spelling pubmed-60680532018-08-13 Enhanced High Performance of a Metasurface Polarizer Through Numerical Analysis of the Degradation Characteristics Kurosawa, Hiroyuki Choi, Bongseok Iwanaga, Masanobu Nanoscale Res Lett Nano Express This study focuses on the experimental and numerical investigations for the degradation characteristics of a metasurface polarizer. The metasurface has a stacked complementary structure that exhibits a high extinction ratio of the order of 10,000 in the near-infrared region. However, its performance has significantly degraded over time. To clarify the origin of this degradation, the effects of surface roughness and metallic loss are investigated numerically. The degradation is mainly attributed to increase in the loss. These numerical calculations also reveal that the extinction ratio is enhanced by adjusting the thicknesses of the complementary structures to different values. This study paves a way to realize a metasurface polarizer that has a low sensitivity to the time degradation and has a high extinction ratio. Springer US 2018-07-31 /pmc/articles/PMC6068053/ /pubmed/30066032 http://dx.doi.org/10.1186/s11671-018-2627-x Text en © The Author(s) 2018 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided 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.
spellingShingle Nano Express
Kurosawa, Hiroyuki
Choi, Bongseok
Iwanaga, Masanobu
Enhanced High Performance of a Metasurface Polarizer Through Numerical Analysis of the Degradation Characteristics
title Enhanced High Performance of a Metasurface Polarizer Through Numerical Analysis of the Degradation Characteristics
title_full Enhanced High Performance of a Metasurface Polarizer Through Numerical Analysis of the Degradation Characteristics
title_fullStr Enhanced High Performance of a Metasurface Polarizer Through Numerical Analysis of the Degradation Characteristics
title_full_unstemmed Enhanced High Performance of a Metasurface Polarizer Through Numerical Analysis of the Degradation Characteristics
title_short Enhanced High Performance of a Metasurface Polarizer Through Numerical Analysis of the Degradation Characteristics
title_sort enhanced high performance of a metasurface polarizer through numerical analysis of the degradation characteristics
topic Nano Express
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6068053/
https://www.ncbi.nlm.nih.gov/pubmed/30066032
http://dx.doi.org/10.1186/s11671-018-2627-x
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AT choibongseok enhancedhighperformanceofametasurfacepolarizerthroughnumericalanalysisofthedegradationcharacteristics
AT iwanagamasanobu enhancedhighperformanceofametasurfacepolarizerthroughnumericalanalysisofthedegradationcharacteristics

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