Parity-Time Symmetric Nonlocal Metasurfaces: All-Angle Negative Refraction and Volumetric Imaging

• Published in: Physical review. X Vol. 6; no. 4; p. 041018
• Main Authors: Monticone, Francesco, Valagiannopoulos, Constantinos A., Alù, Andrea
• Format: Journal Article
• Language: English
• Published: College Park American Physical Society 01.10.2016
• Subjects: Aberration; Imaging; Invariants; Lens design; Lenses; Metamaterials; Metasurfaces; Optics; Parity; Refraction; Symmetry

Lens design for focusing and imaging has been optimized through centuries of developments; however, conventional lenses, even in their most ideal realizations, still suffer from fundamental limitations, such as limits in resolution and the presence of optical aberrations, which are inherent to the l...