Superlenses to overcome the diffraction limit.
The imaging resolution of conventional lenses is limited by diffraction. Artificially engineered metamaterials now offer the possibility of building a superlens that overcomes this limit. We review the physics of such superlenses and the theoretical and experimental progress in this rapidly developing field. Superlenses have great potential in applications such as biomedical imaging, optical lithography and data storage.
Zhang
Xiang
X
Nanoscale Science and Engineering Center, University of California, Berkeley, California 94720-1740, USA. xiang@berkeley.edu
Liu
Zhaowei
Z