MEMS mirrors for LiDAR: A review

D Wang, C Watkins, H Xie - Micromachines, 2020 - mdpi.com
In recent years, Light Detection and Ranging (LiDAR) has been drawing extensive attention
both in academia and industry because of the increasing demand for autonomous vehicles …

AlScN piezoelectric MEMS mirrors with large field of view for LiDAR application

Y Liu, L Wang, Y Su, Y Zhang, Y Wang, Z Wu - Micromachines, 2022 - mdpi.com
This paper presents AlScN piezoelectric two-axis MEMS mirrors with gimbal-less and
gimbaled designs fabricated in a CMOS-compatible manner. Integrated piezoelectric …

Demonstration of high-accuracy 3D imaging using a Si optical phased array with a tunable radiator

J Yoon, H Yoon, JY Kim, J Kim, G Kang, NH Kwon… - Optics …, 2023 - opg.optica.org
Precise imaging in three-dimension (3D) is an essential technique for solid-state light
detection and ranging (LiDAR). Among various solid-state LiDAR technologies, silicon (Si) …

Electromagnetic 2D scanning micromirror fabricated with 3D printed polymer parts for LiDAR applications

J Seo, JY Hwang, CH Ji - Sensors and Actuators A: Physical, 2022 - Elsevier
In this research, an omnidirectional scanning micromirror fabricated using a three-
dimensional (3D) printing process and manual assembly is presented. The core part of the …

Design optimization of a 6.4 mm-diameter electromagnetic 2D scanning micromirror

SY Kang, JH Park, CH Ji - Optics Express, 2020 - opg.optica.org
We present the design optimization, fabrication, and analysis of an electromagnetic biaxial
scanning micromirror with 6.4 mm-diameter. The scanner is composed of a micromirror …

A closed-loop controlled CMOS MEMS biaxial scanning mirror for projection displays

CC Tsai, ZH Li, YT Lin, MSC Lu - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
This work presents a biaxial electromagnetically-drivenpiezoresistivelysensed scanning
mirror fabricated in a CMOS (complementary metal oxide semiconductor) process. The …

System-level modelling and simulation of a multiphysical kick and catch actuator system

A Schütz, S Maeter, T Bechtold - Actuators, 2021 - mdpi.com
This paper presents a system-level model of a microsystem architecture deploying
cooperating microactuators. An assembly of a piezoelectric kick-actuator and an …

Temperature stable rare earth magnetic powder Sm-Fe-N based micro magnets with remanence enhanced by easy axis alignment and its application in MEMS …

H Wang, M Matsuura, S Yamada… - Journal of …, 2021 - iopscience.iop.org
In this paper, we report an actuator with a magnet made of novel rare earth magnetic powder
Sm-Fe-N with diameter of 2 µm to 5 µm. Micro magnets were fabricated by mixing the …

Electromagnetically actuated biaxial scanning micromirror fabricated with silicon on glass wafer

JH Kim, H Jeong, SK Lee, CH Ji, JH Park - Microsystem Technologies, 2017 - Springer
In this paper, we present an electromagnetically actuated two-axis scanning micromirror with
large aperture and tilting angle for laser pointing applications. The two-axis micromirror with …

Model guided extremum seeking control of electromagnetic micromirrors

W Sun, Y Tan - Scientific Reports, 2021 - nature.com
In this paper, a simplified dynamic model is constructed to describe the main characteristic of
electromagnetic micro-mirror. Then, based on the information provided by the derived …