Design of mid-wave infrared achromatic double-layer metalens with enhanced efficiency
Tie Hu,
Rui Xia,
Shichuan Wang
et al.
Abstract:Achromatic metalenses in the mid-wave infrared (3 ~ 5 μm), known for their light weight, CMOS compatibility, and ultra-compactness, offer significant potential in astronomy, security inspections, and health security. However, previous endeavors have been hindered by underdeveloped material technology and relatively low efficiency. To address these challenges, this study introduces an enhanced-efficiency mid-wave infrared achromatic double-layer metalens, featuring a top-layer ZnS nanopillar array and a bottom-… Show more
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