Tunable Metasurfaces Based on Active Materials

• Published in: Advanced functional materials Vol. 29; no. 10
• Main Authors: Cui, Tong, Bai, Benfeng, Sun, Hong‐Bo
• Format: Journal Article
• Language: English
• Published: Hoboken Wiley Subscription Services, Inc 07.03.2019
• Subjects: Converters; Deflectors; Dynamic control; Electromagnetic radiation; free carrier effects; Free-space optical communication; Materials science; metamaterials; Metasurfaces; Optical properties; Phase transitions; phase‐change materials; thermal‐optic effects; Wave fronts

Metasurfaces, planer artificial materials composed of subwavelength unit cells, have shown superior abilities to manipulate the wavefronts of electromagnetic waves. In the last few years, metasurfaces have been a burgeoning field of research, with a large variety of functional devices, including pla...