Journal
APPLIED PHYSICS LETTERS
Volume 110, Issue 20, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4983782
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Funding
- National Research Foundation, Singapore [NRF-CRP13-2014-01]
- Singapore Ministry of Education (MOE) [RG 89/13]
- Ministry of Science and Technology, Taiwan [MOST-105-2745-M-002-002-ASP]
- Academia Sinica [AS-103-TP-A06]
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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 degrees for three different normal incident frequencies of 10.5, 12, and 14GHz. The demonstrated adaptable metasurfaces pave a way for promising applications in multi-frequency tracking radar systems and broadband scanning systems. Published by AIP Publishing.
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