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An aquatic-vision-inspired camera based on a monocentric lens and a silicon nanorod photodiode array

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Title
An aquatic-vision-inspired camera based on a monocentric lens and a silicon nanorod photodiode array
Author(s)
Min Sung Kim; Lee, GJ; Changsoon Choi; Kim, MS; Mincheol Lee; Liu, SY; Kyoung Won Cho; Kim, HM; Hyojin Cho; Choi, MK; Lu, NS; Song, YM; Dae-Hyeong Kim
Subject
INDEX OPTICAL-MODEL, ; CRYSTALLINE LENS, ; SOLAR-CELLS, ; EYE, ; DESIGNS, ; SYSTEM
Publication Date
2020-09
Journal
NATURE ELECTRONICS, v.3, no.9, pp.546 - 553
Publisher
NATURE PUBLISHING GROUP
Abstract
© The Author(s), under exclusive licence to Springer Nature Limited 2020 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
URI
https://pr.ibs.re.kr/handle/8788114/7663
DOI
10.1038/s41928-020-0429-5
ISSN
2520-1131
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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