Journal
OPTICS EXPRESS
Volume 31, Issue 21, Pages 35086-35099Publisher
Optica Publishing Group
DOI: 10.1364/OE.503200
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This paper demonstrates a programmable multifunctional metasurface with the ability to manipulate polarization, phase, and amplitude simultaneously. By controlling coding states and incident wave direction, it can function as a transmission cross-polarization converter, spatial wave manipulator, and low-RCS radome.
Metasurfaces have shown extraordinary capability in individually manipulating various electromagnetic (EM) properties, including polarization, phase, and amplitude. However, it is still a challenge to manipulate these EM properties in one metasurface simultaneously. In this paper, a programmable multifunctional metasurface (PMFMS) is demonstrated with polarization, phase, and amplitude manipulation abilities. By controlling tunable coding states and changing the direction of incident waves, the PMFMS can operate as a transmission cross-polarization converter, spatial wave manipulator, and low-RCS radome. Besides, the PMFMS possesses an ultra-wideband property, which can operate from 6.5 to 10.2 GHz with 44.3% relative bandwidth. More importantly, multiple functionalities can also be achieved in reflection operating mode by reassembling the PMFMS. As a proof of concept, the PMFMS is fabricated and experimentally verified. Measured results are in good agreement with simulated results. Benefiting from multifunctional EM manipulations in an ultra-wideband, such a design can be applied in wireless communication systems, radar detection, and EM stealth platform.(c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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