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A hybrid invisibility cloak based on integration of transparent metasurfaces and zero-index materials
Chu, H. C.; Li, Q.; Liu, B. B.; Luo, J.; Sun, S. L.; Hang, Z. H.; Zhou, L.; Lai, Y.
2018
发表期刊Light-Science & Applications
ISSN2047-7538
卷号7页码:8
摘要The invisibility cloak, a long-standing fantastic dream for humans, has become more tangible with the development of metamaterials. Recently, metasurface-based invisibility cloaks have been proposed and realized with significantly reduced thickness and complexity of the cloaking shell. However, the previous scheme is based on reflection-type metasurfaces and is thus limited to reflection geometry. In this work, by integrating the wavefront tailoring functionality of transparent metasurfaces and the wave tunneling functionality of zero-index materials, we have realized a unique type of hybrid invisibility cloak that functions in transmission geometry. The principle is general and applicable to arbitrary shapes. For experimental demonstration, we constructed a rhombic double-layer cloaking shell composed of a highly transparent metasurface and a double-zero medium consisting of dielectric photonic crystals with Dirac cone dispersions. The cloaking effect is verified by both full-wave simulations and microwave experimental results. The principle also reveals exciting possibilities for realizing skin-thick ultrathin cloaking shells in transmission geometry, which can eliminate the need for spatially varying extreme parameters. Our work paves a path for novel optical and electromagnetic devices based on the integration of metasurfaces and metamaterials.
关键词refractive-index metamaterials phase polarization realization light wavelengths resolution Optics
DOI10.1038/s41377-018-0052-7
收录类别SCI ; EI
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/60869
专题中国科学院长春光学精密机械与物理研究所
推荐引用方式
GB/T 7714
Chu, H. C.,Li, Q.,Liu, B. B.,et al. A hybrid invisibility cloak based on integration of transparent metasurfaces and zero-index materials[J]. Light-Science & Applications,2018,7:8.
APA Chu, H. C..,Li, Q..,Liu, B. B..,Luo, J..,Sun, S. L..,...&Lai, Y..(2018).A hybrid invisibility cloak based on integration of transparent metasurfaces and zero-index materials.Light-Science & Applications,7,8.
MLA Chu, H. C.,et al."A hybrid invisibility cloak based on integration of transparent metasurfaces and zero-index materials".Light-Science & Applications 7(2018):8.
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