Anomalous reflection from metasurfaces with gradient phase distribution below 2π

被引：16

作者：

Ho, You Zhe ^{[1
]}

Cheng, Bo Han ^{[2
]}

Hsu, Wei-Lun ^{[1
]}

Wang, Chih-Ming ^{[3
]}

Tsai, Din Ping ^{[1
,4
]}

机构：

[1] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan

[2] Natl Taipei Univ Technol, Dept Electroopt Engn, Taipei 106, Taiwan

[3] Natl Dong Hwa Univ, Dept Optoelect Engn, Hualien 97401, Taiwan

[4] Acad Sinica, Res Ctr Appl Sci, Taipei 115, Taiwan

来源：

APPLIED PHYSICS EXPRESS | 2016年 / 9卷 / 07期

关键词：

LIGHT; POLARIZATION; DISCONTINUITIES; RESOLUTION; HOLOGRAMS;

D O I：

10.7567/APEX.9.072502

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Metasurfaces are artificial structures that have been demonstrated to possess the ability to manipulate light within a subwavelength spatial region. Here, we explore another unraised functionality of the energy redistribution of a metasurface by tuning the phase difference over a supercell. We also propose a practical nanorod-based design to achieve an anomalous steering reflection using the finite element method simulation. The proposed phenomena have potential applications in ultracompact nanophotonic systems and high-efficiency flat devices. (C) 2016 The Japan Society of Applied Physics

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页数：4

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