ArticleNanophotonics (Berlin, Germany)2023
Realizing depth measurement and edge detection based on a single metasurface.
Article in Nanophotonics (Berlin, Germany), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Bound states in the continuum: From fundamental physics to emerging photonic paradigms.iScience · 2026Review
- Scaled transverse translation by planar optical elements for sub-pixel sampling and remote super-resolution imaging.Nanophotonics (Berlin, Germany) · 2025Article
- Exploring plasmonic gradient metasurfaces for enhanced optical sensing in the visible spectrum.Nanophotonics (Berlin, Germany) · 2024Article
- Multi-wavelength structured light based on metasurfaces for 3D imaging.Nanophotonics (Berlin, Germany) · 2024Article
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Authors and funding
11 authors.
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Abstract
How to simultaneously obtain the depth, edge, and other light information of the scene to accurately perceive the physical world is an important issue for imaging systems. However, such tasks usually require bulky optical components and active illumination methods. Here, we design and experimentally validate a single geometric metasurface that can achieve depth measurement or edge detection under incoherent or coherent light respectively. Double helix point source function is utilized, and three verification experiments are carried out, including double-helix beam calibration, 2D object and 3D object detection, respectively. Additionally, two-dimensional edge detection can also be achieved. This compact imaging system can enable new applications in various fields, from machine vision to microscopy.
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