This review focuses on the imaging applications of metasurfaces. These optical elements provide a unique platform to control light; not only do they have a reduced size and complexity compared to conventional imaging systems but they also enable novel imaging modalities, such as functional-imaging techniques. This review highlights the development of metalenses, from their basic principles, to the achievement of achromatic and tunable lenses, and metasurfaces implemented in functional optical imaging applications.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9419029 | PMC |
| http://dx.doi.org/10.1039/c9na00751b | DOI Listing |
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