Hybrid MEMS actuator with 3 degrees-of-freedom for efficient planar optical switching

S Sharma, S Nabavi, AAS Rabih… - Journal of …, 2023 - ieeexplore.ieee.org
This work demonstrates a hybrid MEMS actuator platform that combines electrostatic and
piezoelectric actuators to displace a suspended MEMS platform along 3 degrees-of-freedom …

Assembled comb-drive XYZ-microstage with large displacements and low crosstalk for scanning force microscopy

G Xue, M Toda, X Li, X Wang… - Journal of …, 2021 - ieeexplore.ieee.org
This paper proposes and demonstrates a chip-level-microassembly comb-drive XYZ-
microstage for providing large displacements and low crosstalk in scanning force …

Design and fabrication of non-resonant PZT MEMS micromirror with buried piezoresistors for closed loop position control

A Vergara, T Tsukamoto, W Fang… - … of Micromechanics and …, 2022 - iopscience.iop.org
This paper reports on a 1D PZT micromirror integrated with buried piezoresistors for quasi-
static feedback position control. The piezoresistors located along or below the PZT actuators …

Chirality enhanced shear‐free mixing of highly viscous fluids in an origami reactor

P Guo, S Tao - AIChE Journal, 2023 - Wiley Online Library
Mixing high‐viscosity fluids is essential in chemical production, but it is challenging since the
Reynolds number is small in such a system. As a result, dead zones with insufficient mixing …

Open-loop control of electrostatic levitation actuators to enhance the travel-range of optical switches

M Mousavi, M Alzgool, D Lopez… - Sensors and Actuators A …, 2022 - Elsevier
Command shaping is a driving technique for handling the large settling time of the high-Q-
MEMS actuators. The strong nonlinearity due to the electrostatic actuation limits the linear …

Feedforward control algorithms for MEMS galvos and scanners

LK Barrett, M Imboden, J Javor… - Journal of …, 2021 - ieeexplore.ieee.org
Optical systems typically use galvanometers (galvos) and scanners. Galvos move, quasi-
statically, from one static position to another. Scanners move in an oscillatory fashion …

Multi degrees-of-freedom hybrid piezoelectric-electrostatic MEMS actuators integrated with displacement sensors

AAS Rabih, S Nabavi, M Ménard… - Journal of …, 2023 - ieeexplore.ieee.org
This work presents novel multi degrees-of-freedom (DOF) actuators based on piezoelectric
and electrostatic actuation to generate both in-plane and out-of-plane motions, intended to …

Demonstration of Heterogeneous Structure for Fabricating a Comb-Drive Actuator for Cryogenic Applications

G Xue, M Toda, X Li, B Li, T Ono - Micromachines, 2022 - mdpi.com
This study presents an experimental demonstration of the motion characteristics of a comb-
drive actuator fabricated from heterogeneous structure and applied for cryogenic …

A Fully Integrated, MEMS Based, Micro-Scale Printer for Cryogenic Thin Film Structures

R Lally, M Imboden, A Stange, LK Barrett… - Journal of …, 2022 - ieeexplore.ieee.org
Cryogenically produced thin film structures at the research scale facilitate many novels
experiments. This paper discusses the construction of a fully integrated, MEMS based …

Modal Engineering for MEMS Devices: Application to Galvos and Scanners

Optical systems typically use galvanometers (aka galvos) and scanners. Galvos move
optical elements such as mirrors, quasi-statically, from one static position to another, and an …