The metaverse has captured significant attention as it provides a virtual realm that cannot be
experienced in the physical world. Programmable optical holograms, integral components of …

Meta-lenses composed of artificial meta-atoms have stimulated substantial interest due to
their compact and flexible wavefront sha** capabilities, outperforming bulk optical …

Metalens, a metasurface with a focusing phase, has been the focus of research due to its
immense potential for use in imaging and display technology. Traditional lens and optical …

Traditional varifocal lenses are bulky and mechanically complex. Emerging active
metalenses promise compactness and design flexibility but face issues like mechanical …

Achromatic meta-lenses have shown great promise in ultracompact and full-color optical
devices. Their performances, including size, bandwidth, and numerical aperture, are …

Nonlocal effects originating from interactions between neighboring meta-atoms introduce
additional degrees of freedom for peculiar characteristics of metadevices, such as …

The electromagnetic (EM) beam manipulations such as spatial scanning have always been
the focus in information science and technology. Generally, the transmitting and receiving …

Terahertz confocal imaging allows 3D see‐through of a non‐metallic object with high
resolution. Conventional methods acquiring 3D images of thick objects suffer from limited …

With the increasing demands for computing powers, wave‐based computation has attracted
researcher's attention due to its inherent high speed. Metasurfaces have flexible and …

In this paper, a novel type of dual-wavelength confocal metalens is proposed from the
perspective of structural design, in order to solve the spatial crosstalk between two …