Application of nanotips metasurface in extending image depth of field
Taige Liu,
Shenghua Duan,
Wuyang Ji
et al.
Abstract:Metasurfaces, enabling effective optical modulation of incident lightwave, can be employed as a promising candidate to implement different functions, thus significantly improving the lightwave controllability, validity and system integration. In this paper, the phase and intensity modulation, firstly, of the incident lightwave based on a single nanotip was researched. Then, the metasurface consist of nanotips with different structural parameters was designed according to the grayscale image obtained via diffra… Show more
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