Quantum Physics2026-08-201 minarXiv:2608.20032expressA Lens the Size of a NanoparticleLight passing by a tiny structure changes direction. If the structure is smaller than the wavelength of the light, it acts like a lens and focuses the light into a spot smaller than the wave itself.Ling-Xiao Wang·Lei Xu·Ai-Ping Liu·Guang-Jie Chen·Yuan-Hao Yang·Jia-Qi Wang·Xin-Biao Xu·Guang-Can Guo·Chang-Ling Zou·Guo-Yong XiangRobert HookeSerge Harochequantum dotlensoptical microscopy👍👎☆SimplePopularAdvanced