Many exciting terahertz imaging applications, such as non-destructive evaluation,
biomedical diagnosis, and security screening, have been historically limited in practical …

Diffractive optical elements are well known for being not only flat but also lightweight, and
are characterised by low attenuation. In different spectral ranges, they provide better …

In this paper, a graphene metasurface based on split-ring resonators (SRRs) structure has
been proposed and investigated numerically, which can achieve the highly efficiency …

从光学自身机理上突破光学理论分辨率极限, 实现远场超分辨光学点扩散函数,
进而实现超分辨聚焦和超分辨成像, 在激光加工, 超分辨光学显微和超分辨望远等系统有着重要 …

Metasurfaces have proved to possess extraordinary properties and propelled the
development of versatile functional devices in the terahertz domain, but the intrinsic …

In this paper, a simple design of an ultrathin and ultra‐broadband single‐layer MS based on
double‐arrow‐shaped resonator (DASR) structure for both transmission and reflection …

Optical super-resolution diffractive metalenses have been promising candidates for realizing
optical imaging and a microscope beyond the Abbe diffraction limit. An achromatic super …

Terahertz (THz) technology has made promising progress and attracted wide interests in the
fields of communications, security, agriculture, and biological sciences. However, the lack of …

The correction of chromatic aberration is essential for promoting broadband imaging
systems, which can be accomplished by recently proposed broadband achromatic …

Metasurfaces, especially tunable ones, have played a major role in controlling the
amplitude, phase, and polarization of electromagnetic waves and attracted growing interest …