Li et al., "Light-driven wide-range nonmechanical beam steering and spectrum scanning based on a self-organized liquid crystal grating
enabled by a chiral molecular switch," Advanced Optical Materials, vol.
If the PIPS is adequate, the phase separation is optimal and the refractive index in the liquid crystal grating is higher than that in the polymerized monomer grating.
Therefore, the liquid crystal grating is now more homogeneous and its refractive index is higher than that of the polymerized monomer grating.
have shown liquid crystal grating by exposing a dye-doped polymer layer to an ultraviolet interference pattern.
First, the diffraction intensities of the liquid crystal gratings in the zeroth and the first orders were recorded as a function of time, with an applied voltage of ~4.0V, as shown in Figure 2.