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Enabling smart vision with metasurfaces

Nature Photonics volume 17, pages 26–35 (2023)Cite this article

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Abstract

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.

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Fig. 1: Metasurfaces are dramatically enhancing the vision of robotic and autonomous systems.
Fig. 2: Metasurface functionalities.
Fig. 3: Novel metasurface geometries and materials.
Fig. 4: Metasurface challenges.
Fig. 5: Research frontiers in the metasurface field.
Fig. 6: Metasurfaces enabling smart vision.

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Acknowledgements

We thank F. Capasso, S. Maier, K. Crozier and A. Davoyan for valuable discussions and M. Alaloul for feedback regarding metasurface detectors. This work was supported by the Australian Research Council Centre of Excellence (CE200100010), Discovery (DP200101353) and Linkage (LP180100904) programmes, as well as through a DARPA ENVision grant (HR00112220006).

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  1. ARC Centre of Excellence for Transformative Meta-Optical Systems (TMOS), Research School of Physics, The Australian National University, Canberra, Australian Capital Territory, Australia

    Dragomir N. Neshev

  2. School of Engineering and Information Technology, University of New South Wales Canberra, Canberra, Australian Capital Territory, Australia

    Andrey E. Miroshnichenko

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Neshev, D.N., Miroshnichenko, A.E. Enabling smart vision with metasurfaces. Nat. Photon. 17, 26–35 (2023). https://doi.org/10.1038/s41566-022-01126-4

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