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A neuromorphic bionic eye with filter-free color vision using hemispherical perovskite nanowire array retina

Engineering and Technology

A neuromorphic bionic eye with filter-free color vision using hemispherical perovskite nanowire array retina

Z. Long, X. Qiu, et al.

This groundbreaking study showcases a bionic eye that utilizes tunable liquid crystal optics and a hemispherical neuromorphic retina to achieve vibrant, filter-free color vision. Researchers Zhenghao Long, Xiao Qiu, Chak Lam Jonathan Chan, and colleagues tackle the complexities of color vision and optical adaptivity, offering innovative solutions for the next generation of artificial eyes.

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Playback language: English
Abstract
This paper demonstrates a bionic eye with tunable liquid crystal optics and a hemispherical neuromorphic retina enabling filter-free color vision through wavelength-dependent bidirectional synaptic photo-response in a metal-oxide nanotube/perovskite nanowire hybrid structure. Color selectivity is tunable with bias, allowing for full-color image reconstruction. This approach addresses color vision and optical adaptivity challenges in artificial eyes.
Publisher
Nature Communications
Published On
Apr 08, 2023
Authors
Zhenghao Long, Xiao Qiu, Chak Lam Jonathan Chan, Zhibo Sun, Zhengnan Yuan, Swapnadeep Poddar, Yuting Zhang, Yucheng Ding, Leilei Gu, Yu Zhou, Wenying Tang, Abhishek Kumar Srivastava, Cunjiang Yu, Xuming Zou, Guozhen Shen, Zhiyong Fan
Tags
bionic eye
liquid crystal optics
neuromorphic retina
color vision
image reconstruction
nanostructures
optical adaptivity

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