A chip-scale metalens array makes this microscope system ultracompact. Credit: Tao Li, Nanjing University (IMAGE)

SPIE--International Society for Optics and Photonics

A chip-scale metalens array makes this microscope system ultracompact. Credit: Tao Li, Nanjing University

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A chip-scale metalens array makes this microscope system ultracompact. Credit: Tao Li, Nanjing University

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Tao Li, Nanjing University.

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