An article in Opto-Electronic Advances, discusses complete-basis-reprogrammable coding metasurface for generating dynamically-controlled holograms under arbitrary polarization states. This article ...

Metasurfaces are artificial array structures consisting of subwavelength unit cells arranged on a specific two-dimensional surface. Dynamic, reconfigurable metasurfaces are an excellent way to ...

Metamaterials and metasurfaces have attracted great interests in recent years for their versatile possibilities in manipulating electromagnetic (EM) waves. Embedded tunable devices such as ...

Over the past few decades, engineers have developed various devices that can create holograms, three-dimensional (3D) or ...

Pulse compression is an important technology in modern radar systems and promotes the developments of modern radar technologies towards higher speed and ranging accuracy. The frequency-modulated ...

(Nanowerk News) Directly reconstructing the physical wavefront of objects in target scene for watched naturally by human eyes, holographic display is considered as one of ultimate display technology.

Scientists have developed a novel antenna that allows manipulation of the direction, frequency and amplitude of the radiated beam, and is expected to play an important role in the integration of ...