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

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

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 …

With the rapid development of high-speed communication and artificial intelligence
technologies, human perception of real-world scenes is no longer limited to the use of small …

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

Metalenses have gained significant attention and have been widely utilized in optical
systems for focusing and imaging, owing to their lightweight, high-integration, and …

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 …

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

Tunable metasurfaces provide a compact and efficient strategy for optical active wavefront
shaping. Varifocal metalens is one of the most important applications. However, the existing …

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 …