Metasurfaces as Artificial Crystals for Electromagnetic Polarization Handling

Crystals

Simone Zanotto¹ 

[1] Istituto Nanoscienze—CNR, and Laboratorio NEST-Scuola Normale Superiore, Piazza San Silvestro 12, 56127 Pisa, Italy;

关键词: polarization;    electromagnetic waves;    light;    metasurfaces;    metamaterials;    birefringence;   

DOI  :  10.3390/cryst10100852

来源: DOAJ

【 摘 要 】

Metasurfaces acting on electromagnetic fields have emerged as powerful tools that can address all the wave’s degrees of freedom: amplitude, phase and polarization. It is especially with respect to polarization that their role is steadily growing: metasurfaces can indeed perform, by design, operations that would usually require very specific, delicate and expensive natural or synthetic ordinary crystals. Here, I will first briefly review the history of light polarization, and its connection with ordinary crystals. Subsequently, I will highlight in which sense metasurfaces are artificial quasi-two-dimensional crystals, evidencing their potential as future polarization-handling (meta) materials.

【 授权许可】

Unknown