An ultrawide field-of-view pinhole compound eye using hemispherical nanowire array for robot vision

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Abstract

Garnering inspiration from biological compound eyes, artificial vision systems boasting a vivid range of diverse visual functional traits have come to the fore recently. However, most of these artificial systems rely on transformable electronics, which suffer from the complexity and constrained geometry of global deformation, as well as potential mismatches between optical and detector units. Here, we present a unique pinhole compound eye that combines a three-dimensionally printed honeycomb optical structure with a hemispherical, all-solid-state, high-density perovskite nanowire photodetector array. The lens-free pinhole structure can be designed and fabricated with an arbitrary layout to match the underlying image sensor. Optical simulations and imaging results matched well with each other and substantiated the key characteristics and capabilities of our system, which include an ultrawide field of view, accurate target positioning, and motion tracking function. We further demonstrate the potential of our unique compound eye for advanced robotic vision by successfully completing a moving target tracking mission.

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APA

Zhou, Y., Sun, Z., Ding, Y., Yuan, Z., Qiu, X., Cao, Y. B., … Fan, Z. (2024). An ultrawide field-of-view pinhole compound eye using hemispherical nanowire array for robot vision. Science Robotics, 9(90). https://doi.org/10.1126/scirobotics.adi8666

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