Enabling smart vision with metasurfaces

Optical metasurfaces—subwavelength-patterned surfaces that interact strongly with light—have been an active area of research for more than a decade. The field has been driven by the key advantages of this concept, including the ultimate miniaturization of optical elements, empowering novel functiona...

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Bibliographic Details
Published in:Nature photonics 2023-01, Vol.17 (1), p.26-35
Main Authors: Neshev, Dragomir N., Miroshnichenko, Andrey E.
Format: Article
Language:English
Subjects:
639/624/399/1015
639/925/357/1015
Applied and Technical Physics
Artificial intelligence
Biosensors
Internet of Things
Light
Metasurfaces
Microscopy
Miniaturization
Optical components
Optics
Photonics
Physics
Physics and Astronomy
Product development
Quantum Physics
Review Article
Robotics
Three dimensional imaging
Vision systems
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Summary:Optical metasurfaces—subwavelength-patterned surfaces that interact strongly with light—have been an active area of research for more than a decade. The field has been driven by the key advantages of this concept, including the ultimate miniaturization of optical elements, empowering novel functionalities that process hidden modalities of light, and the opportunity to tune their properties on demand. A large number of applications with a focus on smart vision have emerged, foreseeing a meta-optical device under the hood of any robotic system. Nowadays, the field is experiencing a solid industry pull that defines the challenges and research directions. This review overviews the application focus of the field defined by the growing number of optical functionalities. We describe the current challenges and outline the research frontiers in the field. Robotic and other devices often demand ever more compact and sophisticated sensors. This Review assesses the opportunities for metasurfaces to provide optical functionality solutions for such applications.
ISSN:1749-4885
1749-4893
DOI:10.1038/s41566-022-01126-4