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Camera the Size of a Gran of Salt Performs Beyond its Scale

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Researchers at Princeton University and the University of Washington (UW) designed a nanosize camera, no bigger than a grain of salt, that produces images comparable to those produced by a traditional lens setup more than 500,000 times larger than the nanosize device. To build a high-quality, ultracompact imager, the researchers devised a machine learning approach that allows the imager to learn a metasurface physical structure along with a neural feature-based image reconstruction algorithm. The researchers used neural nano-optics for end-to-end learning. They found that,...Read full article

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