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A novel approach for measuring nanometric displacements by correlating speckle interferograms
(Elsevier, 2018-11)
Recently, two phase evaluation methods were proposed to measure nanometric displacements by means of digital speckle pattern interferometry when the phase changes introduced by the deformation are in the range [0, π) rad. ...
Nano-displacement measurements of a new piezoelectric flextensional actuator by using a high dynamic range interferometry homodyne method
(IEEE, 2014-05-12)
Piezoelectric flextensional actuator (PFA) devices consist in a technology in development, with increasing number of applications in precision mechanics such as nanotechnology equipments, electronic microscopy instruments, ...
Interferometric measurements of nanometric displacements in a Piezoelectric Flextensional Actuator by using the new J1...J5 method
(IEEE, 2012-12-01)
In this work, nanometric displacement amplitudes of a Piezoelectric Flextensional Actuator (PFA) designed using the topology optimization technique and operating in its linear range are measured by using a homodyne Michelson ...
Analysis of linearity and frequency response of a novel piezoelectric flextensional actuator using a homodyne interferometer and the J(1)-J(4) method
(Institute of Electrical and Electronics Engineers (IEEE), 2007-06-01)
Piezoelectric transducers are widely used in high-resolution positioning systems. This paper reports the experimental analysis of a novel piezoelectric flextensional actuator (PFA), which is designed by using the ...
Analysis of linearity and frequency response of a novel piezoelectric flextensional actuator using a homodyne interferometer and the J1 - J4 method
(2007-06-01)
Piezoelectric transducers are widely used in high-resolution positioning systems. This paper reports the experimental analysis of a novel piezoelectric flextensional actuator (PFA), which is designed by using the ...
Coupling rate measurement of a novel multi-actuated piezoelectric device using optical interferometry
(2010-12-01)
The class of piezoelectric actuators considered in this paper consists of a multi-flexible structure actuated by two or more piezoceramic devices that must generate different output displacements and forces at different ...