Experimental investigation of the snap-through buckling of electrostatically actuated initially curved pre-stressed micro beams

L Medina, R Gilat, B Ilic, S Krylov - Sensors and Actuators A: Physical, 2014 - Elsevier
The experimental study of the stability properties of initially curved micro beams subjected to
an axial pre-stressing load and transversal deflection-dependent distributed electrostatic …

Microscale creep and stress relaxation experiments with individual collagen fibrils

F Yang, D Das, I Chasiotis - Optics and lasers in engineering, 2022 - Elsevier
Nanoscale macromolecular biological structures exhibit time-dependent mechanical
behavior, yet a quantitative understanding of their creep and stress relaxation behavior …

Electromechanical behavior of graphene foams

SK Reddy, A Ya'Akobovitz - Applied Physics Letters, 2019 - pubs.aip.org
Graphene foam (GF)—a three-dimensional porous structure that comprises several
graphene layers—has excellent physical properties and, consequently, exciting possible …

Mechanical behavior of vertically aligned carbon nanotubes under electrostatic tension

Y Cohen, D Ronen, A Ya'akobovitz - Sensors and Actuators A: Physical, 2019 - Elsevier
Due to their excellent physical properties and compatibility with micro-fabrication processes,
vertically aligned carbon nanotubes (VA-CNTs) have been successfully integrated in various …

Strain relaxation and resonance of carbon nanotube forests under electrostatic loading

A Ya'akobovitz, M Bedewy, A Rao, AJ Hart - Carbon, 2016 - Elsevier
Electrostatic loading is widely used for sensing and actuation in miniaturized
electromechanical systems, yet classical designs involve geometric patterning of solid …

Multiple thermal transitions and anisotropic thermal expansions of vertically aligned carbon nanotubes

A Ya'akobovitz - Journal of Applied Physics, 2016 - pubs.aip.org
Vertically aligned carbon nanotubes (VA-CNTs) hold the potential to play an instrumental
role in a wide variety of applications in micro-and nano-devices and composites. However …

Optical amplification for measuring minute displacement of laser beam

Y Bi, P Zhu, X Li, K Zhu, Y Ping, C Zhang… - Journal of Modern …, 2021 - Taylor & Francis
This paper proposes an optical amplification method of measuring the minute displacement
of a laser beam. The relationship between the displacement of the incident laser beam and …

Effect of image degradation on nm-scale MEMS FFT optical displacement measurements

H King, S Warnat, T Hubbard - 2015 IEEE 28th Canadian …, 2015 - ieeexplore.ieee.org
This paper examines the optical measurement of nm-scale MEMS in-plane motion using
microphotographs, and the effect of degraded images on these results. Two common forms …

High-precision surface parallelism measurement using digital image correlation method

J Zhao, Y Sang, F Duan, X Ji, Z Lin - Optical Engineering, 2019 - spiedigitallibrary.org
An improved touch-trigger probe method for surface parallelism measurement is proposed,
which enables conventional mechanical probe-based detection techniques to evaluate the …

Optical direct detection of thermal vibrations of ultralow stiffness micro-nano structures.

SS Chowdhury - 2019 - ir.library.louisville.edu
A direct detection optical vibrometer is constructed around an 850 nm laser and a quadrant
photodetector (QPD). The limit of detection is 0.2 fW which corresponds to a minimum …