Application of photo and particle acoustic methods

Bernd Koehler; Frank Schubert; Gert Hentges; Norbert Meyendorf

doi:10.1117/12.602329

9 May 2005 Application of photo and particle acoustic methods

Bernd Koehler, Frank Schubert, Gert Hentges, Norbert Meyendorf

Proceedings Volume 5766, Testing, Reliability, and Application of Micro- and Nano-Material Systems III; (2005) https://doi.org/10.1117/12.602329
Event: Nondestructive Evaluation for Health Monitoring and Diagnostics, 2005, San Diego, CA, United States

Abstract

Several work performed at the Fraunhofer Institute IZFP Dresden on photo and particle acoustic methods is presented. It includes both, modeling activities by an explicit numerical method (CEFIT) and experimental work. The given examples of applied excitations are photons (Laser acoustics) and electrons (Scanning Electron Acoustic Microscopy, SEAM). Both, time resolved measurements by pulse excitation as well as monofrequent measurements by periodic excitation together with signal recovery (lock-in technique) are discussed.

Citation Download Citation

Bernd Koehler, Frank Schubert, Gert Hentges, and Norbert Meyendorf "Application of photo and particle acoustic methods", Proc. SPIE 5766, Testing, Reliability, and Application of Micro- and Nano-Material Systems III, (9 May 2005); https://doi.org/10.1117/12.602329

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