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Metasurface-Empowered Five-Dimensional Imaging with Structured Light
ACS Photonics ( IF 6.5 ) Pub Date : 2024-09-03 , DOI: 10.1021/acsphotonics.4c01302 Zejing Wang 1 , Li Li 2 , Yangyang Shi 1 , Jiwen Chen 2 , Jian Yao 2 , Zhongyang Li 1, 3, 4
ACS Photonics ( IF 6.5 ) Pub Date : 2024-09-03 , DOI: 10.1021/acsphotonics.4c01302 Zejing Wang 1 , Li Li 2 , Yangyang Shi 1 , Jiwen Chen 2 , Jian Yao 2 , Zhongyang Li 1, 3, 4
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Beyond traditional two-dimensional (2D) imaging, additional optical dimensions, such as depth, spectrum, and polarization, provide crucial information for various complex tasks. However, the extension of multiple dimensions typically leads to a complex imaging system, severely hindering its widespread application. Here, a metasurface-empowered five-dimensional (5D) imaging system with structured light is experimentally designed and constructed by wavelength and polarization information fusion into holographic structured light. Cooperating with the dispersion of holography, a polarization-maintaining metasurface is optimized to encode specific wavelengths and polarizations into a holographic structured light, generating 5D illumination for imaging. The 3D spatial information is reconstructed from 2D feature point positions, while wavelength and polarization information are retrieved from point intensities, resulting in compact and convenient 5D imaging. By integrating multiple optical dimensions into an illumination device, such a structured light 5D imaging scheme potentially paves the way for tremendous advances in multidimensional imaging technology and its myriad applications.
中文翻译：
超表面赋能的结构光五维成像
除了传统的二维 (2D) 成像之外，深度、光谱和偏振等附加光学维度还可以为各种复杂任务提供关键信息。然而，多维度的扩展通常会导致成像系统变得复杂，严重阻碍了其广泛应用。在这里，通过将波长和偏振信息融合到全息结构光中，实验性地设计和构建了具有结构光的超表面赋能的五维（5D）成像系统。与全息色散配合，保偏超表面经过优化，可将特定波长和偏振编码为全息结构光，产生用于成像的5D照明。从 2D 特征点位置重建 3D 空间信息，从点强度检索波长和偏振信息，从而实现紧凑且方便的 5D 成像。通过将多个光学维度集成到照明设备中，这种结构光 5D 成像方案有可能为多维成像技术及其无数应用的巨大进步铺平道路。
更新日期：2024-09-03
中文翻译：
超表面赋能的结构光五维成像
除了传统的二维 (2D) 成像之外，深度、光谱和偏振等附加光学维度还可以为各种复杂任务提供关键信息。然而，多维度的扩展通常会导致成像系统变得复杂，严重阻碍了其广泛应用。在这里，通过将波长和偏振信息融合到全息结构光中，实验性地设计和构建了具有结构光的超表面赋能的五维（5D）成像系统。与全息色散配合，保偏超表面经过优化，可将特定波长和偏振编码为全息结构光，产生用于成像的5D照明。从 2D 特征点位置重建 3D 空间信息，从点强度检索波长和偏振信息，从而实现紧凑且方便的 5D 成像。通过将多个光学维度集成到照明设备中，这种结构光 5D 成像方案有可能为多维成像技术及其无数应用的巨大进步铺平道路。
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