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| 基于超表面的太赫兹复用成像 |
| Terahertz multiplexing imaging based on metasurface |
| 投稿时间:2019-04-14 |
| DOI:10.3969/j.issn.1005-5630.2020.01.007 |
| 中文关键词: 太赫兹波 超表面 复用成像 |
| 英文关键词:terahertz metasurface multiplexing imaging |
| 基金项目:国家自然科学基金(61871268);国家重点研发计划(2017YFA0701005) |
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| 中文摘要: |
| 提出了一种基于单层超表面的太赫兹复用器件。该器件基于PB(back propagation)相位理论、广义斯涅耳定律以及马吕斯定律,实现了空间分复用成像。计算结果表明,所设计的器件能将一束线偏振入射光离轴出射,并产生多通道的复用图像。该器件的研究对拓展THz波段的高分辨成像、多通道信息传输等功能具有重要意义。 |
| 英文摘要: |
| In this paper, we proposed a terahertz multiplexing imaging device based on single-layer metasurface. The spatial multiplexing imaging is realized using the PB (back propagation) phase theory, generalized Snell's law and Marius law. The corresponding calculation results show that our device can generate multi-channel images when illuminated with linearly polarized light. The proposed device may have potential applications in high-resolution imaging, multi-channel information transmission and so on. |
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