Anomalous refraction and reflection characteristics of bend V-shaped antenna metasurfaces

Yanqiang Xie, Chang Yang, Yun Wang, Yun Shen*, Xiaohua Deng, Binbin Zhou, Juncheng Cao

*Corresponding author for this work

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Stabilization issue of anomalous refraction and reflection in V-shaped antenna metasurfaces are investigated. Specifically, when a V-shaped metasurface is artificially tilted, the induced refraction and reflection are theoretically analyzed. Detailed numerical and experimental study is then performed for the upward and downward bending metasurfaces. Our results show that although the anomalous reflection is sensitive to the deformation of metasurface geometry; the anomalous refraction is, surprisingly, barely affected by relatively small-angle tilting and able to support perfect beam orienting. Since in real-world applications, the optical objects are often affected by multiple uncertain factors, such as deformation, vibration, non-standard surface, non-perfect planar, etc., the stabilization of optical functionality has therefore been a long-standing design challenge for optical engineering. We believe our findings can shed new light on this stability issue.
Original languageEnglish
Article number6700
JournalScientific Reports
Issue number1
Number of pages8
Publication statusPublished - 2019

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