Lightweight, miniaturized optical imaging systems are vastly anticipated in these fields of
aerospace exploration, industrial vision, consumer electronics, and medical imaging …

Metasurfaces‐based flat optics, which can make use of existing foundry planar technology
for high‐throughput production, allows the arbitrary control of the wavefront and polarization …

Metasurfaces offer a unique platform to precisely control optical wavefronts and enable the
realization of flat lenses, or metalenses, which have the potential to substantially reduce the …

Metalenses consist of nanostructures that locally control the optical phase. They offer many
degrees of freedom for manipulating a wavefront, which gives a number of advantages over …

Optical imaging systems, like microscopes, cameras, and telescopes, continue to expand
the scope of human observation of the world. As one of the key indicators of imaging …

In this Letter, we experimentally report an achromatic metalens (AML) operating over a
continuous bandwidth in the visible. This is accomplished via dispersion engineering of …

Optical components, such as lenses, have traditionally been made in the bulk form by
shaping glass or other transparent materials. Recent advances in metasurfaces provide a …

Over the past years, broadband achromatic metalenses have been intensively studied due
to their great potential for applications in consumer and industry products. Even though …

Metalenses have shown a number of promising functionalities that are comparable with
conventional refractive lenses. However, current metalenses are still far from …

Midinfrared devices based on metalenses are of great utility for numerous applications,
including free-space communication, imaging, and molecule sensing. However, because of …