Results 141 to 150 of about 1,507 (165)

4F-5 An Improvement of the Picosecond Ultrasonic Technique Based on a Tunable Laser: Application to Bulk Acoustic Wave Resonator Characterizations

2006 IEEE Ultrasonics Symposium, 2006
The control of the frequency is a challenging question for the mass production of bulk acoustic wave (BAW) filters. It passes through a precise control of mechanical properties of the active layer but also of the thicknesses of the whole stack. But performing mechanical measurements at such a scale is not so easy and we may say that BAW resonators ...
P. Ancey, A. Devos, P. Emery, G. Caruyer
openaire   +2 more sources

Effect of the laser pulse duration on picosecond ultrasonic signals

, 2005
no ...
Rossignol, C., Audoin, Bertrand, Rampnoux, Jean-Michel, Dilhaire, S., Claeys, W.   +4 more
openaire   +2 more sources

Review on Advances in Picosecond Laser Ultrasonics for Mechanics

Acta Mechanica Solida Sinica
Jinyu Yan, Lin’an Li, Yantao Zeng, Kai Chen, Lipan Xin, Shibin Wang, Zhiyong Wang, Chuanwei Li   +7 more
openaire   +2 more sources

Characterization of internal material properties based on laser picosecond ultrasonics

Fifth International Computational Imaging Conference (CITA 2025)
Yanzhong Ma, Lunan Dai, Yuanyuan Bai, Tao Sun   +3 more
openaire   +2 more sources

Laser-wavelength dependence of the picosecond ultrasonic response of a NiFe/NiO/Si structure

Physical Review B, 2002
C. A. C. Bosco, A. Azevedo, L. H. Acioli
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<title>Picosecond laser studies of anomalous ultrasonic sound damping in optical filter glasses</title>

SPIE Proceedings, 1990
Xiao F. Cao, Robert W. Hellwarth
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A novel approach using picosecond ultrasonics at variable laser-wavelength for the characterization of AlN films used for microsystem applications

, 2003
Devos, Arnaud, Caruyer, G., Zinck, C., Ancey, P.   +3 more
openaire   +2 more sources

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Picosecond ultrasonics with a free-running dual-comb laser

2022
Justinas Pupeikis, Benjamin Willenberg, Mike Hettich   +2 more
exaly  

Evaluation of Optical and Acoustical Properties of Ba1−xSrxTiO3 Thin Film Material Library via Conjugation of Picosecond Laser Ultrasonics with X-ray Diffraction, Energy Dispersive Spectroscopy, Electron Probe Micro Analysis, Scanning Electron and Atomic Force Microscopies

Nanomaterials, 2021
Sathyan Sandeep, Samuel Raetz, Beatrice Negulescu   +2 more
exaly  

Evaluation of the Structural Phase Transition in Multiferroic (Bi1−x Prx)(Fe0.95 Mn0.05)O3 Thin Films by A Multi-Technique Approach Including Picosecond Laser Ultrasonics

Applied Sciences (Switzerland), 2019
Samuel Raetz, Alexey, Nikolay Chigarev
exaly