Many image processing operations involve the modification of the spatial frequency content of images. Here we demonstrate object-plane spatial frequency filtering utilizing the angular sensitivity of ...

Professor Koray Aydin developed a metasurface spatial filter to improve image processing used in augmented and virtual reality systems, autonomous vehicles, and biometric identification systems. Along ...

All-optical image processing based on metasurfaces is a swiftly advancing field of technology, due to its high speed, large integrability and inherently low energy requirements. So far, the proposed ...