A Multi‐foci Sparse‐Aperture Metalens (Adv. Sci. 19/2024)

Multi-Foci Metalenses In article number 2309648, Chongzhao Wu and co-workers report that a polarization-independent multi-foci sparse-aperture (MSA) metalens is able to generate multiple focal points conveniently, while maintaining the remarkable ability to capture target information and demonstrating high-quality focusing characteristics and imaging capability. Such MSA metalens finds a novel route toward multi-foci metalenses and serves as a promising tool for diverse and multiple tasks of imaging.