A liquid crystal-modulated Fano resonator is designed, which has high sensitivity, tunable
operating band and adjustable sensing range at the same time. The Fano resonator is …

There is an increasing need to control light phase with tailored precision via simple means
in both fundamental science and industry. One of the best candidates to achieve this goal …

Phase-only devices based on liquid crystals are becoming popular solutions for a high
number of applications in many diverse areas. The use of an electrooptic material such as …

We develop tunable optical filters with dual-frequency nematic liquid crystal optical retarders
to enable fast switching between the passed wavelengths. The filters are composed of a …

At present, most of the reported metasurface structure absorbers show that its working band
cannot be regulated actively. In this study, a dynamic tunable narrow-band perfect …

Heliconical cholesteric liquid crystals are a recently proposed novel class of liquid crystalline
materials in which the chiral pitch can be tuned by an external electric field acting parallel to …

Light is a powerful investigational tool in biomedicine, at all levels of structural organization.
Its multitude of features (intensity, wavelength, polarization, interference, coherence, timing …

A wide tunable narrowband filter composed of a graphene microelectromechanical system
and a photonic crystal microcavity composite structure is investigated. The research reveals …

A coupled structure, consisting of two perpendicular cavities coupled with a waveguide, has
been proposed and researched numerically and theoretically. It is found that the lateral …

The design, simulation, and fabrication of two electrically tunable Fabry-Perót (FP)
microcavities filled with Twisted Nematic Liquid Crystal (TNLC), based on different mirror …