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High-performance achromatic flat lens with high NA

Journal Article (2025)
Author(s)

Y. Shao (TU Delft - ImPhys/Coene group)

Paul Urbach (TU Delft - ImPhys/Adam group)

Research Group
ImPhys/Coene group
DOI related publication
https://doi.org/10.1038/s41377-025-01943-6
More Info
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Publication Year
2025
Language
English
Research Group
ImPhys/Coene group
Issue number
1
Volume number
14
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Abstract

A new strategy has been presented to overcome the long-term dilemma of simultaneously achieving high numerical aperture, large aperture size, and broadband achromatism of flat lenses. A stepwise phase dispersion compensation (SPDC) layer is introduced as a substrate on which the meta-atoms are positioned.