A meta‐lens is an advanced flat optical device composed of artificial antennas. The
amplitude, phase, and polarization of incident light can be engineered to satisfy the …

Photonic metasurface, a 2D array of plasmonic or dielectric optical meta-atoms, provides a
versatile and compact platform for manipulating the polarization, phase and amplitude of …

Metalenses as miniature flat lenses exhibit a substantial potential in replacing traditional
optical component. Although the metalenses have been intensively explored, their functions …

Metasurfaces capable of controlling more than two types of optical properties have drawn a
broad interest recently, as they can bring great flexibility and possibilities to the design of …

Zoom lenses with variable focal lengths and magnification ratios are essential for many
optical imaging applications. Conventional zoom lenses are composed of multiple refractive …

Integrating the two dominant theories of self-regulated learning (SRL) and cognitive
engagement could advance our understanding of what makes students more efficient …

With the rapid progress in computer science, including artificial intelligence, big data and
cloud computing, full-space spot generation can be pivotal to many practical applications …

Driven by the need for enhanced integrated performance and rapid development of ultrathin
multitasked optical devices, this paper experimentally demonstrates monolayer direction …

Conventional metasurface holography is usually implemented in either transmission space
or reflection space. Herein, we show a dielectric metasurface that can simultaneously project …

Meta-lens represents a promising solution for optical communications and information
processing owing to its miniaturization capability and desirable optical properties. Here, spin …