Metasurface‐based lenses (metalenses) offer specific conceptual advantages compared to
ordinary refractive lenses. For example, it is possible to tune the focal length of a metalens …

Extended depth of focus (EDOF) lenses are important for various applications in
computational imaging and microscopy. In addition to enabling novel functionalities, EDOF …

A conventional optical zoom system is bulky, expensive, and complicated for real-time
adjustment. Recent progress in metasurface research has provided a new solution to …

The focusing performance of a 40 nm-thick metasurface lens is experimentally
demonstrated. The longitudinal multifoci flat metasurface lens is illuminated with a linearly …

Benefiting from the unprecedented capability of metasurfaces in the manipulation of light
propagation, metalenses can provide novel functions that are very challenging or impossible …

Metasurface lenses (metalenses) offer an ultrathin and simple optical system with dynamic
functions that include focal length tuning. In this study, a rotational varifocal (ie, moiré) …

Metasurfaces have recently emerged as a promising technology to realize flat optical
components with customized functionalities. In particular, their application to lenses in …

Lens is a basic optical element that is widely used in daily life, such as in cameras, glasses,
and microscopes. Conventional lenses are designed based on the classical refractive …

Recently, developments in meta-surfaces have allowed for the possibility of a fundamental
shift in lens manufacturing from the century-old grinding technology to nanofabrication …

Metasurface-based flat optics is continuously attracting interest owing to its ability for
miniaturization of optical devices and systems. Over the last few years, broadband …