All-optical dynamic analysis of the photothermal and photoacoustic response of a microcantilever by laser Doppler vibrometry
Sign Up to like & getrecommendations! Published in 2021 at "Photoacoustics"
DOI: 10.1016/j.pacs.2021.100299
Abstract: Light absorption induced thermoelastic and photoacoustic excitation, combined with laser Doppler vibrometry, was utilized to analyze the dynamic mechanical behavior of a microcantilever. The measured frequency response, modal shapes, and acoustic coupling effects were interpreted… read more here.
Keywords: microcantilever; response; analysis; doppler vibrometry ... See more keywords
Primary accelerometer calibration by scanning laser Doppler vibrometry
Sign Up to like & getrecommendations! Published in 2020 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/ab66da
Abstract: A primary calibration system for vibration transducers based on laser Doppler vibrometry was complemented by a commercial scan unit. The data acquisition and analysis were optimized for accuracy and a novel procedure to visualize and… read more here.
Keywords: primary accelerometer; calibration; doppler vibrometry; laser doppler ... See more keywords
Detecting Defects in Composite Polymers by Using 3D Scanning Laser Doppler Vibrometry
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15207176
Abstract: The technique of 3D scanning laser Doppler vibrometry has recently appeared as a promising tool of nondestructive evaluation of discontinuity-like defects in composite polymers. The use of the phenomenon of local defect resonance (LDR) allows… read more here.
Keywords: composite polymers; vibrometry; doppler vibrometry; defects composite ... See more keywords
A Normalized Model of a Microelectromechanical Relay Calibrated by Laser-Doppler Vibrometry
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi13101728
Abstract: This work presents a behavioral model for a microelectromechanical (MEM) relay for use in circuit simulation. Models require calibration, and other published relay models require over a dozen parameters for calibration, many of which are… read more here.
Keywords: doppler vibrometry; model microelectromechanical; laser doppler; relay ... See more keywords
Identification of Material Properties of Elastic Plate Using Guided Waves Based on the Matrix Pencil Method and Laser Doppler Vibrometry
Sign Up to like & getrecommendations! Published in 2022 at "Symmetry"
DOI: 10.3390/sym14061077
Abstract: Ultrasonic based inspection of thin-walled structures often requires prior knowledge of their mechanical properties. Their accurate estimation could be achieved in a non-destructive manner employing, e.g., elastic guided waves. Such procedures require efficient approaches for… read more here.
Keywords: doppler vibrometry; guided waves; pencil method; material properties ... See more keywords