Bio‐inspired artificial vision and neuromorphic image processing devices

MS Kim, MS Kim, GJ Lee, SH Sunwoo… - Advanced Materials …, 2022 - Wiley Online Library
Remarkable technological developments for efficient image recognition (ie, image
acquisition and image data processing) have been reported in the past decade. Such …

Wide field-of-view metalens: a tutorial

F Yang, MY Shalaginov, HI Lin, S An… - Advanced …, 2023 - spiedigitallibrary.org
Wide field-of-view (FOV) optics are essential components in many optical systems, with
applications spanning imaging, display, sensing, and beam steering. Conventional …

Flexible cascaded wire-in-cavity-in-bowl structure for high-performance and polydirectional sensing of contaminants in microdroplets

Z Pei, J Li, C Ji, J Tan, Z Shao, X Zhao… - The Journal of …, 2023 - ACS Publications
To improve the drawback of surface-enhanced Raman scattering (SERS) sensors that are
sensitive to excitation angles and realize the monitoring of contaminants in complex …

Biomimetic apposition compound eye fabricated using microfluidic-assisted 3D printing

B Dai, L Zhang, C Zhao, H Bachman, R Becker… - Nature …, 2021 - nature.com
After half a billion years of evolution, arthropods have developed sophisticated compound
eyes with extraordinary visual capabilities that have inspired the development of artificial …

Wearable SERS sensor based on omnidirectional plasmonic nanovoids array with ultra‐high sensitivity and stability

K Zhu, K Yang, Y Zhang, Z Yang, Z Qian, N Li, L Li… - Small, 2022 - Wiley Online Library
Surface‐enhanced Raman spectroscopy (SERS) is a promising technology for wearable
sensors due to its fingerprint spectrum and high detection sensitivity. However, since SERS …

Feline eye–inspired artificial vision for enhanced camouflage breaking under diverse light conditions

MS Kim, MS Kim, M Lee, HJ Jang, DH Kim… - Science …, 2024 - science.org
Biologically inspired artificial vision research has led to innovative robotic vision systems
with low optical aberration, wide field of view, and compact form factor. However, challenges …

Avian eye–inspired perovskite artificial vision system for foveated and multispectral imaging

J Park, MS Kim, J Kim, S Chang, M Lee, GJ Lee… - Science Robotics, 2024 - science.org
Avian eyes have deep central foveae as a result of extensive evolution. Deep foveae
efficiently refract incident light, creating a magnified image of the target object and making it …

Smart compound eyes enable tunable imaging

ZC Ma, XY Hu, YL Zhang, XQ Liu… - Advanced Functional …, 2019 - Wiley Online Library
Compound eyes are natural multiaperture optical imaging systems and have substantial
potential in the field of modern optics. However, both natural and artificial compound eyes …

Multifocal microlens arrays using multilayer photolithography

SI Bae, K Kim, S Yang, K Jang, KH Jeong - Optics express, 2020 - opg.optica.org
We report a new microfabrication method of multifocal microlens arrays (MF-MLAs) for
extended depth-of-field (DoF) using multilayer photolithography and thermal reflow …

Biologically inspired ultrathin arrayed camera for high-contrast and high-resolution imaging

K Kim, KW Jang, JK Ryu, KH Jeong - Light: Science & Applications, 2020 - nature.com
Compound eyes found in insects provide intriguing sources of biological inspiration for
miniaturised imaging systems. Here, we report an ultrathin arrayed camera inspired by …