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Michigan Engineers Develop Solar-Powered Imaging Sensor

Researchers at the University of Michigan, MI, US, have developed a simultaneous imaging and energy harvesting sensor. Eventually, such a development could pave the way for a compact, self-powered camera. Devin Coldewey in TechCrunch commented, “the sensor could be essentially a camera that operates forever with no need for a battery or even wireless power.” The development work by the team of Sung-Yun Park, Kyuseok Lee, Hyunsoo Song and Euisik Yoon is described in IEEE Electron Device Letters.

The team has developed what it calls a prototype CMOS active pixel capable of simultaneous imaging and energy harvesting without introducing additional in-plane p-n junctions. The pixel uses a structure that is available in standard CMOS processes.

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