Optical system's nonlinear phase dynamic control improves flexibility, adaptability, and functionality; applicable to larger-scale systems

https://www.eurekalert.org/news-releases/1098215

"ferroelectric crystal/ metasurface potential to manipulate light's nonlinear phase faces challenges: complex/ energy-intensive fabrication, static optical systems with fixed properties once constructed... overcome using ion-doped ferroelectric nematic liquid crystals devices with large-area, defect-free polarization patterns, ensuring robust/ reproducible optics... reconfigurable nonlinear Pancharatnam-Berry optics with patterned ferroelectric nematics... thin-film polar inductor/ capacitor with spatially modulated x-y plane alignment"