Non-invasive and fully two-dimensional quantitative visualization of transparent flow fields enabled by photonic spin-decoupled metasurfaces
Abstract Transparent flow field visualization techniques play a critical role in engineering and scientific applications. They provide a clear and intuitive means to understand fluid dynamics and its complex phenomena, such as laminar flow, turbulence, and vortices. However, achieving fully two-dime...
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| Format: | Article |
| Language: | English |
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Nature Publishing Group
2025-03-01
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| Series: | Light: Science & Applications |
| Online Access: | https://doi.org/10.1038/s41377-025-01793-2 |
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| _version_ | 1850072196366467072 |
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| author | Qingbin Fan Peicheng Lin Le Tan Chunyu Huang Feng Yan Yanqing Lu Ting Xu |
| author_facet | Qingbin Fan Peicheng Lin Le Tan Chunyu Huang Feng Yan Yanqing Lu Ting Xu |
| author_sort | Qingbin Fan |
| collection | DOAJ |
| description | Abstract Transparent flow field visualization techniques play a critical role in engineering and scientific applications. They provide a clear and intuitive means to understand fluid dynamics and its complex phenomena, such as laminar flow, turbulence, and vortices. However, achieving fully two-dimensional quantitative visualization of transparent flow fields under non-invasive conditions remains a significant challenge. Here, we present an approach for achieving flow field visualization by harnessing the synergistic effects of a dielectric metasurface array endowed with photonic spin-decoupled capability. This approach enables the simultaneous acquisition of light-field images containing flow field information in two orthogonal dimensions, which allows for the real-time and quantitative derivation of multiple physical parameters. As a proof-of-concept, we experimentally demonstrate the applicability of the proposed visualization technique to various scenarios, including temperature field mapping, gas leak detection, visualization of various fluid physical phenomena, and 3D morphological reconstruction of transparent phase objects. This technique not only establishes an exceptional platform for advancing research in fluid physics, but also exhibits significant potential for broad applications in industrial design and vision. |
| format | Article |
| id | doaj-art-c5a5076ea18e46a081e9e9f7542f3efa |
| institution | DOAJ |
| issn | 2047-7538 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Nature Publishing Group |
| record_format | Article |
| series | Light: Science & Applications |
| spelling | doaj-art-c5a5076ea18e46a081e9e9f7542f3efa2025-08-20T02:47:07ZengNature Publishing GroupLight: Science & Applications2047-75382025-03-0114111110.1038/s41377-025-01793-2Non-invasive and fully two-dimensional quantitative visualization of transparent flow fields enabled by photonic spin-decoupled metasurfacesQingbin Fan0Peicheng Lin1Le Tan2Chunyu Huang3Feng Yan4Yanqing Lu5Ting Xu6National Laboratory of Solid-State Microstructures and Collaborative Innovation Center of Advanced Microstructures, Nanjing UniversityNational Laboratory of Solid-State Microstructures and Collaborative Innovation Center of Advanced Microstructures, Nanjing UniversityNational Laboratory of Solid-State Microstructures and Collaborative Innovation Center of Advanced Microstructures, Nanjing UniversityNational Laboratory of Solid-State Microstructures and Collaborative Innovation Center of Advanced Microstructures, Nanjing UniversitySchool of Electronic Sciences and Engineering, Nanjing UniversityNational Laboratory of Solid-State Microstructures and Collaborative Innovation Center of Advanced Microstructures, Nanjing UniversityNational Laboratory of Solid-State Microstructures and Collaborative Innovation Center of Advanced Microstructures, Nanjing UniversityAbstract Transparent flow field visualization techniques play a critical role in engineering and scientific applications. They provide a clear and intuitive means to understand fluid dynamics and its complex phenomena, such as laminar flow, turbulence, and vortices. However, achieving fully two-dimensional quantitative visualization of transparent flow fields under non-invasive conditions remains a significant challenge. Here, we present an approach for achieving flow field visualization by harnessing the synergistic effects of a dielectric metasurface array endowed with photonic spin-decoupled capability. This approach enables the simultaneous acquisition of light-field images containing flow field information in two orthogonal dimensions, which allows for the real-time and quantitative derivation of multiple physical parameters. As a proof-of-concept, we experimentally demonstrate the applicability of the proposed visualization technique to various scenarios, including temperature field mapping, gas leak detection, visualization of various fluid physical phenomena, and 3D morphological reconstruction of transparent phase objects. This technique not only establishes an exceptional platform for advancing research in fluid physics, but also exhibits significant potential for broad applications in industrial design and vision.https://doi.org/10.1038/s41377-025-01793-2 |
| spellingShingle | Qingbin Fan Peicheng Lin Le Tan Chunyu Huang Feng Yan Yanqing Lu Ting Xu Non-invasive and fully two-dimensional quantitative visualization of transparent flow fields enabled by photonic spin-decoupled metasurfaces Light: Science & Applications |
| title | Non-invasive and fully two-dimensional quantitative visualization of transparent flow fields enabled by photonic spin-decoupled metasurfaces |
| title_full | Non-invasive and fully two-dimensional quantitative visualization of transparent flow fields enabled by photonic spin-decoupled metasurfaces |
| title_fullStr | Non-invasive and fully two-dimensional quantitative visualization of transparent flow fields enabled by photonic spin-decoupled metasurfaces |
| title_full_unstemmed | Non-invasive and fully two-dimensional quantitative visualization of transparent flow fields enabled by photonic spin-decoupled metasurfaces |
| title_short | Non-invasive and fully two-dimensional quantitative visualization of transparent flow fields enabled by photonic spin-decoupled metasurfaces |
| title_sort | non invasive and fully two dimensional quantitative visualization of transparent flow fields enabled by photonic spin decoupled metasurfaces |
| url | https://doi.org/10.1038/s41377-025-01793-2 |
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