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Keywords = linear to linar polarization

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8 pages, 3508 KB  
Article
Control of Polarization Orientation Angle of Scattered Light Based on Metasurfaces: −90° to +90° Linear Variation
by Song Wu
Materials 2022, 15(6), 2076; https://doi.org/10.3390/ma15062076 - 11 Mar 2022
Cited by 12 | Viewed by 3137
Abstract
Metasurfaces can be used to precisely control polarization state of the scattered light. Here, we present a metasurface-based terahertz device. On the one hand, it serves as a high performance linear polarization converter in transmission of over 80% power with weak reflection. It [...] Read more.
Metasurfaces can be used to precisely control polarization state of the scattered light. Here, we present a metasurface-based terahertz device. On the one hand, it serves as a high performance linear polarization converter in transmission of over 80% power with weak reflection. It is capable of rotating linear polarization orientation angle with respect to x-axis continuously from −90° to +90° at 0.84 THz. On the other hand, it serves as a circular polarizer. It can transform a linear polarized wave into a circular polarized wave at 2.49 THz. The transmitted and reflected field are both circular polarized with 50% power. The proposed device with dual functionalities can be applied to modulate the polarization state of the signal in THz wireless communication. Full article
(This article belongs to the Special Issue Advanced Materials for Plasmonics, Metamaterials and Metasurfaces)
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