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13 March 2024 Nonlocal flat optics: toward the ultimate thickness limits of optics
Francesco Monticone, Masoud Pahlevaninezhad
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Proceedings Volume PC12897, High Contrast Metastructures XIII; PC128970O (2024) https://doi.org/10.1117/12.3001271
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
Nonlocal metasurfaces—metasurfaces with an engineered momentum-dependent (spatially-dispersive) response—represent an emerging direction in the field of flat optics, with applications ranging from optical computing to ultra-compact imaging systems. In this talk, we present our recent efforts on this exciting topic at the frontier of the field of metasurfaces. We broadly discuss how nonlocal designs afford new degrees of freedom that enable functionalities and performance metrics unattainable using local metasurfaces and conventional optical systems. We then present some recent advances on nonlocal metasurfaces for space compression ("spaceplates"), which represent an important step in the quest toward the ultimate thickness limits of optics.
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Francesco Monticone and Masoud Pahlevaninezhad "Nonlocal flat optics: toward the ultimate thickness limits of optics", Proc. SPIE PC12897, High Contrast Metastructures XIII, PC128970O (13 March 2024); https://doi.org/10.1117/12.3001271
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KEYWORDS
Flat optics
Optical limiting
Imaging systems
Optical computing
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