Roberto Paiella

Metasurface Photodetectors for Computational Imaging

Traditional image sensors used in photography and microscopy can only visualize the intensity distribution of the incident light, whereas all information related to the local direction of light propagation and phase profile is lost in the image acquisition process. To address this limitation, the proposed research will develop a new class of image sensors based […]

Angle-Sensitive Metasurfaces for Lens-Free Compound-Eye Cameras

This project aims at developing a new camera technology featuring extreme size miniaturization, inspired by the compound-eye vision modality that is commonly found in nature in small invertebrates such as insects and crustaceans. Compound eyes typically consist of a curved array of many imaging elements (including lenses and photoreceptors), each oriented so as to detect […]