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An aquatic-vision-inspired camera based on a monocentric lens and a silicon nanorod photodiode array
Cited 89 time in
Web of Science
Cited 95 time in Scopus
- Authors
- Issue Date
- 2020-09
- Publisher
- NATURE PUBLISHING GROUP
- Citation
- Nature Electronics, Vol.3 No.9, pp.546-553
- Abstract
- By integrating a single monocentric lens with a hemispherical silicon nanorod photodiode array, a wide-field-of-view camera is created that offers low optical aberration, deep depth of field and simple visual accommodation. Conventional wide-field-of-view cameras consist of multi-lens optics and flat image sensor arrays, which makes them bulky and heavy. As a result, they are poorly suited to advanced mobile applications such as drones and autonomous vehicles. In nature, the eyes of aquatic animals consist of a single spherical lens and a highly sensitive hemispherical retina, an approach that could be beneficial in the development of synthetic wide-field-of-view imaging systems. Here, we report an aquatic-vision-inspired camera that consists of a single monocentric lens and a hemispherical silicon nanorod photodiode array. The imaging system features a wide field of view, miniaturized design, low optical aberration, deep depth of field and simple visual accommodation. Furthermore, under vignetting, the photodiode array enables high-quality panoramic imaging due to the enhanced photodetection properties of the silicon nanorod photodiodes.
- ISSN
- 2520-1131
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