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Title: Adaptable metasurface for dynamic anomalous reflection
Authors: Yan, L. B.
Zhu, W. M.
Wu, Pin Chieh
Cai, H.
Gu, Y. D.
Chin, Lip Ket
Shen, Zhongxiang
Chong, P. H. J.
Yang, Z. C.
Ser, Wee
Tsai, D. P.
Liu, Ai Qun
Keywords: Light Scattering
Optical Resonators
Issue Date: 2017
Source: Yan, L. B., Zhu, W. M., Wu, P. C., Cai, H., Gu, Y. D., Chin, L. K., et al. (2017). Adaptable metasurface for dynamic anomalous reflection. Applied Physics Letters, 110(20), 2101904-.
Series/Report no.: Applied Physics Letters
Abstract: In this paper, we demonstrate an adaptable metasurface with a periodic array of liquid-metal ring-shaped resonators. Its optical properties can be dynamically controlled by individually reconfiguring the geometry (shape and orientation) of the resonators. For the proof of concept, by tailoring the phase profile of the scattered electromagnetic wave, a dynamic anomalous reflection is demonstrated, whereby the reflection angle is fixed at −45° for three different normal incident frequencies of 10.5, 12, and 14 GHz. The demonstrated adaptable metasurfaces pave a way for promising applications in multi-frequency tracking radar systems and broadband scanning systems.
ISSN: 0003-6951
DOI: 10.1063/1.4983782
Schools: School of Electrical and Electronic Engineering 
Rights: © 2017 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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