Resonant Excitation of Terahertz Surface Plasmons in Subwavelength Metal Holes

We present a review of experimental studies of resonant excitation of terahertz surface plasmons in two-dimensional arrays of subwavelength metal holes. Resonant transmission efficiency higher than unity was recently achieved when normalized to the area occupied by the holes. The effects of hole sha...

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Main Authors: Weili Zhang, Abul K. Azad, Jiaguang Han
Format: Article
Language:English
Published: Wiley 2007-01-01
Series:Active and Passive Electronic Components
Online Access:http://dx.doi.org/10.1155/2007/40249
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author Weili Zhang
Abul K. Azad
Jiaguang Han
author_facet Weili Zhang
Abul K. Azad
Jiaguang Han
author_sort Weili Zhang
collection DOAJ
description We present a review of experimental studies of resonant excitation of terahertz surface plasmons in two-dimensional arrays of subwavelength metal holes. Resonant transmission efficiency higher than unity was recently achieved when normalized to the area occupied by the holes. The effects of hole shape, hole dimensions, dielectric function of metals, polarization dependence, and array film thickness on resonant terahertz transmission in metal arrays were investigated by the state-of-the-art terahertz time-domain spectroscopy. In particular, extraordinary terahertz transmission was demonstrated in arrays of subwavelength holes made even from Pb, a generally poor metal, and having thickness of only one-third of skin depth. Terahertz surface plasmons have potential applications in terahertz imaging, biosensing, interconnects, and development of integrated plasmonic components for terahertz generation and detection.
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institution Kabale University
issn 0882-7516
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publishDate 2007-01-01
publisher Wiley
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series Active and Passive Electronic Components
spelling doaj-art-31b11a8d77ab498aae435167808441802025-02-03T05:51:07ZengWileyActive and Passive Electronic Components0882-75161563-50312007-01-01200710.1155/2007/4024940249Resonant Excitation of Terahertz Surface Plasmons in Subwavelength Metal HolesWeili Zhang0Abul K. Azad1Jiaguang Han2School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, OK 74078-5032, USASchool of Electrical and Computer Engineering, Oklahoma State University, Stillwater, OK 74078-5032, USASchool of Electrical and Computer Engineering, Oklahoma State University, Stillwater, OK 74078-5032, USAWe present a review of experimental studies of resonant excitation of terahertz surface plasmons in two-dimensional arrays of subwavelength metal holes. Resonant transmission efficiency higher than unity was recently achieved when normalized to the area occupied by the holes. The effects of hole shape, hole dimensions, dielectric function of metals, polarization dependence, and array film thickness on resonant terahertz transmission in metal arrays were investigated by the state-of-the-art terahertz time-domain spectroscopy. In particular, extraordinary terahertz transmission was demonstrated in arrays of subwavelength holes made even from Pb, a generally poor metal, and having thickness of only one-third of skin depth. Terahertz surface plasmons have potential applications in terahertz imaging, biosensing, interconnects, and development of integrated plasmonic components for terahertz generation and detection.http://dx.doi.org/10.1155/2007/40249
spellingShingle Weili Zhang
Abul K. Azad
Jiaguang Han
Resonant Excitation of Terahertz Surface Plasmons in Subwavelength Metal Holes
Active and Passive Electronic Components
title Resonant Excitation of Terahertz Surface Plasmons in Subwavelength Metal Holes
title_full Resonant Excitation of Terahertz Surface Plasmons in Subwavelength Metal Holes
title_fullStr Resonant Excitation of Terahertz Surface Plasmons in Subwavelength Metal Holes
title_full_unstemmed Resonant Excitation of Terahertz Surface Plasmons in Subwavelength Metal Holes
title_short Resonant Excitation of Terahertz Surface Plasmons in Subwavelength Metal Holes
title_sort resonant excitation of terahertz surface plasmons in subwavelength metal holes
url http://dx.doi.org/10.1155/2007/40249
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AT jiaguanghan resonantexcitationofterahertzsurfaceplasmonsinsubwavelengthmetalholes