Metasurfaces have been continuously garnering attention in both scientific and industrial
fields, owing to their unprecedented wavefront manipulation capabilities using arranged …

Optical metalenses—two-dimensional arrays of submicrometre scatterers that collectively
focus light—have experienced growing research interest in recent years as they can realize …

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 …

Virtual reality (VR) and augmented reality (AR) are revolutionizing our lives. Near-eye
displays are crucial technologies for VR and AR. Despite the rapid advances in near-eye …

Multispectral and polarized focusing and imaging are key functions that are vitally important
for a broad range of optical applications. Conventional techniques generally require multiple …

Conventional imaging systems can only capture light intensity. Meanwhile, the lost phase
information may be critical for a variety of applications such as label-free microscopy and …

Due to its unbounded and orthogonal modes, the orbital angular momentum (OAM) is
regarded as a key optical degree of freedom (DoF) for future information processing with …

Single molecule fluorescence spectroscopy is at the heart of molecular biophysics research
and the most sensitive biosensing assays. The growing demand for precision medicine and …

The refractive-lens technique has been well developed over a long period of evolution,
offering powerful imaging functionalities, such as microscopes, telescopes, and …

Tunable liquid lenses with controllable focal length attract much attention from many
researchers due to the unique advantages of strong adjustability, low power consumption …