Augmented reality (AR) display, which superimposes virtual images on ambient scene, can
visually blend the physical world and the digital world and thus opens a new vista for human …

Holography has emerged as a vital approach to fully engineer the wavefronts of light since
its invention dating back to the last century. However, the typically large pixel size, small field …

Simultaneously independent control of phase, amplitude, and polarization is pivotal yet
challenging for manipulating electromagnetic waves by transmissive metasurfaces …

Lenses with tunable focal length play important roles in nature by hel** species avoid
predators and capture prey. Many practical devices mimic lens concept for imaging, sensing …

Holography has numerous applications because of its capability of arbitrary wavefront
modulation. Computer-generated holograms (CGHs) take it a big step forward. Conventional …

Pancharatnam-Berry (PB) metasurfaces exhibit strong abilities to control spin-polarized light,
but transmission-mode PB functional devices exhibiting simultaneously nearly 100 …

Dielectric metasurfaces require high refractive index contrast materials for optimum
performance. This requirement imposes a severe restraint; either devices have been …

In this article, the basic principles and the main applications of Huygens' metasurfaces
(HMSs) are reviewed from microwaves to optics. In general, HMSs comprise a thin layer of …