Abstract
Image processing has become a critical technology in a variety of science and engineering disciplines. While most image processing is performed digitally, optical analog processing has the advantages of being low-power and high-speed. Here, we demonstrate optical analog imaging processing using flat optics including multi-layer architectures. The use of flat meta-optics opens new doors in optical image processing, such as edge imaging filters, as well as the freedom to spatially multiplex optical functions for off-loading processing tasks from the digital system.
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