Affiliation:
1. University of Macau
2. Southern University of Science and Technology
3. Shenzhen Bay Laboratory
Abstract
Micro–electro–mechanical systems (MEMS)-based optical
scanners play a vital role in the development of miniaturized optical
imaging modalities. However, there is a longstanding challenge to
balance the temporal resolution, field of view (FOV), and systematic
fidelity. Here, we propose a double spiral scanning mechanism to
enable high-frequency resonant scanning of MEMS scanners without
sacrificing imaging quality, and offer a versatile imaging interface
for applications in different scenarios. This arrangement,
demonstrated by photoacoustic endoscopy, shows that the imaging rate
and FOV can be improved by more than 60 and two times, respectively.
The proposed method is general to address the limitations of
MEMS-based scanning microscopies and can be adapted for various
miniaturized imaging modalities, such as endoscopy, intraoperative
image-guided surgery, and wearable devices.
Funder
National Natural Science Foundation of
China
Guangdong Science and Technology
Department
Guangdong Provincial Department of
Education
Guangdong Provincial Key Laboratory of
Advanced Biomaterials
Shenzhen Science and Technology
Program
Start-up grant from Southern University
of Science and Technology
Subject
Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials
Cited by
5 articles.
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