A spiral plasmonic lens can focus circular polarization of a given handedness while
simultaneously defocus the circular polarization of the opposite chirality, which may be used …

A simple spiral plasmonic lens is studied both analytically and numerically. Owing to the
geometric phase effect, a spiral plasmonic lens focuses the left-hand and right-hand circular …

Flat optics presents a new path to control the phase, amplitude, and polarization state of light
with ultracompact devices. Here we demonstrate chip-integrated metasurface devices for …

Optical metasurface has exhibited unprecedented capabilities in the regulation of light
properties at a subwavelength scale. In particular, a multifunctional polarization metasurface …

Under the trend of miniaturization and reduction of system complexity, conventional bulky
photonic elements are expected to be replaced by new compact and ultrathin dielectric …

Since the transmission of anisotropic nano-structures is sensitive to the polarisation of an
incident beam, a novel polarising beam splitter (PBS) based on silicon nanobrick arrays is …

Real-time polarization imaging plays a vital role in target detection, recognition, and tracking
in complex scenes. However, large optical crosstalk and the integration technology are …

A mid-IR wire-grid polarizer with a 500? nm pitch was fabricated on a low toxic chalcogenide
glass (Sb-Ge-Sn-S system) by the thermal imprinting of periodic grating followed by the …

Polarization detection is a critical technique in various research and application fields,
especially in the long-wavelength infrared regime for target discrimination from complex …

Polarizers have always been an important optical component for optical engineering and
have played an indispensable part of polarization imaging systems. Metasurface polarizers …