Liquid crystal (LC) circular polarization gratings (PGs), also known as Pancharatnam–Berry
(PB) phase deflectors, are diffractive waveplates with linearly changed optical anisotropy …

Vector vortex beams (VVBs) have attracted significant attention in both classical and
quantum optics. Liquid crystal (LC), beyond its applications in information display, has …

Soft materials are ideal candidates for the creation of tunable, self‐assembled structures.
Herein, reconfigurable and switchable dynamic patterns are created using topological …

In the past two decades, polarization gratings (PGs) have attracted intensive attention due to
the high-efficient diffraction and polarization selectivity properties. On one hand, the one …

We have fabricated, characterized, and analyzed a recently proposed non-mechanical
beam steering device based on the Pancharatnam–Berry phase in a liquid crystal. The …

Polarization gratings (PGs) are powerful tools to modulate an incident beam, boosting a
wide range of applications in optics and photonics. Compared with one-dimensional (1D) …

The patterned photoalignment of nematic liquid crystal is used to produce one-dimensional
diffraction gratings. The effect the orientation of molecules in adjacent liquid crystal domains …

Spontaneous formation of ordered structures is observed in many physical systems. Soft
materials such as colloids, polymers, and liquid crystals (LCs) are stimuli-responsive and …

A multichannel smartphone spectrometer exploiting multiple identical diffraction orders of a
customized 2D diffractive element is reported. The instrument utilizes diffraction grating …

Surface wrinkling is closely linked to a significant number of surface functionalities such as
wetting, structural colour, tribology, frictions, biological growth and more. Given its ubiquity in …