A Double-Slot Structure as the metasurface geometric phase generating atom for beam controlling

Hao Gang Wang; Chi Hou Chan; Kwai-Man Luk

doi:10.1109/COMPEM.2016.7588606

A Double-Slot Structure as the metasurface geometric phase generating atom for beam controlling

Hao Gang Wang^*
, Chi Hou Chan
, Kwai-Man Luk

^*Corresponding author for this work

State Key Laboratory of Terahertz and Millimeter Waves (City University of Hong Kong)

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

1 Citation (Scopus)

Abstract

In this paper, a Double-Slot Structure is employed as an atom of metasurfaces for generation of the geometric phase variation on the surface plane. This atom is used for constructing super cells for generating the extraordinary reflection and transmission beams. The numerical results demonstrate that this kind of metasurface can generate the extraordinary reflection and refraction beams up to 54.1 degrees. Note that the structure contains only metal in free space. If loaded with a dielectric substrate, it is expected to further reduce the size of the resonant atom, and hence further increase the extraordinary reflection angle and transmission angles. Because this structure is resonating at the working frequency, both the extraordinary reflection and refraction are significant. The structure is very simple, and is also easy to fabricate for use in very high frequency, for instance in Terahertz domain.

Original language	English
Title of host publication	Call for Papers - ICCEM 2016: 2016 IEEE International Conference on Computational Electromagnetics
Publisher	IEEE
Pages	239-241
ISBN (Print)	9781467396783
DOIs	https://doi.org/10.1109/COMPEM.2016.7588606
Publication status	Published - 23 Feb 2016
Event	2016 IEEE International Conference on Computational Electromagnetics, ICCEM 2016 - Guangzhou, China Duration: 23 Feb 2016 → 25 Feb 2016 http://www2.scut.edu.cn/iccem2016 (unknown) http://www2.scut.edu.cn/iccem2016 (unknown) http://www2.scut.edu.cn/iccem2016 (unknown) http://www2.scut.edu.cn/iccem2016 (unknown) http://www2.scut.edu.cn/iccem2016 (unknown) http://www2.scut.edu.cn/iccem2016

Conference

Conference	2016 IEEE International Conference on Computational Electromagnetics, ICCEM 2016
Place	China
City	Guangzhou
Period	23/02/16 → 25/02/16
Internet address	http://www2.scut.edu.cn/iccem2016 (unknown) http://www2.scut.edu.cn/iccem2016 (unknown) http://www2.scut.edu.cn/iccem2016 (unknown) http://www2.scut.edu.cn/iccem2016 (unknown) http://www2.scut.edu.cn/iccem2016 (unknown) http://www2.scut.edu.cn/iccem2016

Research Keywords

Extraordinary Beam
Geometric Phase
Metasurface

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10.1109/COMPEM.2016.7588606

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title = "A Double-Slot Structure as the metasurface geometric phase generating atom for beam controlling",

abstract = "In this paper, a Double-Slot Structure is employed as an atom of metasurfaces for generation of the geometric phase variation on the surface plane. This atom is used for constructing super cells for generating the extraordinary reflection and transmission beams. The numerical results demonstrate that this kind of metasurface can generate the extraordinary reflection and refraction beams up to 54.1 degrees. Note that the structure contains only metal in free space. If loaded with a dielectric substrate, it is expected to further reduce the size of the resonant atom, and hence further increase the extraordinary reflection angle and transmission angles. Because this structure is resonating at the working frequency, both the extraordinary reflection and refraction are significant. The structure is very simple, and is also easy to fabricate for use in very high frequency, for instance in Terahertz domain.",

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note = "2016 IEEE International Conference on Computational Electromagnetics, ICCEM 2016 ; Conference date: 23-02-2016 Through 25-02-2016",

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Wang, HG, Chan, CH & Luk, K-M 2016, A Double-Slot Structure as the metasurface geometric phase generating atom for beam controlling. in Call for Papers - ICCEM 2016: 2016 IEEE International Conference on Computational Electromagnetics., 7588606, IEEE, pp. 239-241, 2016 IEEE International Conference on Computational Electromagnetics, ICCEM 2016, Guangzhou, China, 23/02/16. https://doi.org/10.1109/COMPEM.2016.7588606

A Double-Slot Structure as the metasurface geometric phase generating atom for beam controlling. / Wang, Hao Gang; Chan, Chi Hou ; Luk, Kwai-Man.
Call for Papers - ICCEM 2016: 2016 IEEE International Conference on Computational Electromagnetics. IEEE, 2016. p. 239-241 7588606.

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

TY - GEN

T1 - A Double-Slot Structure as the metasurface geometric phase generating atom for beam controlling

AU - Wang, Hao Gang

AU - Chan, Chi Hou

AU - Luk, Kwai-Man

PY - 2016/2/23

Y1 - 2016/2/23

N2 - In this paper, a Double-Slot Structure is employed as an atom of metasurfaces for generation of the geometric phase variation on the surface plane. This atom is used for constructing super cells for generating the extraordinary reflection and transmission beams. The numerical results demonstrate that this kind of metasurface can generate the extraordinary reflection and refraction beams up to 54.1 degrees. Note that the structure contains only metal in free space. If loaded with a dielectric substrate, it is expected to further reduce the size of the resonant atom, and hence further increase the extraordinary reflection angle and transmission angles. Because this structure is resonating at the working frequency, both the extraordinary reflection and refraction are significant. The structure is very simple, and is also easy to fabricate for use in very high frequency, for instance in Terahertz domain.

AB - In this paper, a Double-Slot Structure is employed as an atom of metasurfaces for generation of the geometric phase variation on the surface plane. This atom is used for constructing super cells for generating the extraordinary reflection and transmission beams. The numerical results demonstrate that this kind of metasurface can generate the extraordinary reflection and refraction beams up to 54.1 degrees. Note that the structure contains only metal in free space. If loaded with a dielectric substrate, it is expected to further reduce the size of the resonant atom, and hence further increase the extraordinary reflection angle and transmission angles. Because this structure is resonating at the working frequency, both the extraordinary reflection and refraction are significant. The structure is very simple, and is also easy to fabricate for use in very high frequency, for instance in Terahertz domain.

KW - Extraordinary Beam

KW - Geometric Phase

KW - Metasurface

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DO - 10.1109/COMPEM.2016.7588606

M3 - RGC 32 - Refereed conference paper (with host publication)

SN - 9781467396783

SP - 239

EP - 241

BT - Call for Papers - ICCEM 2016: 2016 IEEE International Conference on Computational Electromagnetics

PB - IEEE

T2 - 2016 IEEE International Conference on Computational Electromagnetics, ICCEM 2016

Y2 - 23 February 2016 through 25 February 2016

ER -

A Double-Slot Structure as the metasurface geometric phase generating atom for beam controlling

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