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Integral field type SSI with metasurface [138]. (a) Principle of transversely dispersive metalens. (b) Simulation of the transverse distribution of focal spots at different wavelengths. (c) Image of the letter 4 by a single metalens with white light illumination. (d–f) Images of the object scene from different viewpoints. (e) Raw data acquired by detector. (f) Color image after all-focus rendering. (a–f) Reproduced with permission [138]. Copyright 2022, Nature Publishing Group.
