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题名:
Broadband anomalous reflection based on gradient low-Q meta-surface
作者: Pu, Mingbo1; Chen, Po2; Wang, Changtao1; Wang, Yanqin1; Zhao, Zeyu1; Hu, Chenggang1; Huang, Cheng1; Luo, Xiangang1
刊名: AIP ADVANCES
出版日期: 2013-05-01
卷号: 3, 期号:5
文章类型: Article
英文摘要: Gradient-index metamaterial is crucial in the spatial manipulation of electromagnetic wave. Here we present an efficient approach to extend the bandwidth of phase modulation by utilizing the broadband characteristic of low-quality (Q) meta-surface in the reflection mode. The dispersion of the meta-surface is engineered to compensate the phase difference induced by frequency change. Meanwhile, a thin gradient index cover layer is added on the top of meta-surface to extend the phase modulation range to cover the entire [0, 360 degrees]. As a proof of concept, anomalous nearly perfect reflection with relative bandwidth near 40% is demonstrated in the microwave regime. (C) 2013 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
WOS标题词: Science & Technology ; Technology ; Physical Sciences
类目[WOS]: Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
研究领域[WOS]: Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]: PHASE DISCONTINUITIES ; LIGHT-PROPAGATION ; REFRACTION ; INDEX ; METAMATERIALS ; METASURFACES ; ABSORPTION ; WAVES ; LENS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000320673600036
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/1185
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Nano Fabricat & Microen, Chengdu 610209, Peoples R China
2.Univ Wyoming, Dept Geol & Geophys, Laramie, WY 82071 USA

Recommended Citation:
Pu, Mingbo,Chen, Po,Wang, Changtao,et al. Broadband anomalous reflection based on gradient low-Q meta-surface[J]. AIP ADVANCES,2013,3(5).
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