Flat optics consisting of nanostructures of high–refractive index materials produce lenses
with thin form factors that tend to operate only at specific wavelengths. Recent attempts to …

Advanced imaging techniques have been widely used in various biological studies.
Currently, numerous imaging modalities are utilized in biological applications, including …

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

The proliferation of smartphones and the widespread use of camera modules necessitate
complementary metal-oxide-semiconductor (CMOS) image sensors with high pixel density …

Achromatic lenses, which have the same focal length regardless of the illumination
frequency, find strong applications in imaging, sensing, and communication systems …

There is a growing trend towards the development of high resolution and multiplexing
metasurface holograms. In this paper, we propose the reconstruction of polarization …

In this paper, we introduce a metalens with a hybrid unit-cell arrangement that operates at a
wavelength of 0.94 μm. The metalens consists of 0.8 μm unit-cells on the inner and 0.4 μm …

In recent years, across many fields, a large emphasis has been placed on the development
of optical materials that can realize arbitrary control over the phase, transmission, and …

Alvarez metalens, which consists of two layers of metasurfaces, has a focal length that can
be altered by varying the relative lateral displacement. It garners significant interest due to its …

A metasurface is a planar structure that can flexibly control the polarization, phase, and
amplitude of incident electromagnetic waves. An all‐dielectric hexagonal cell structure to …