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Proceedings Paper

Laser-scanning vibrometry for the investigation of sound generation and propagation
Author(s): Lothar Zipser; Heinz Franke
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Paper Abstract

The paper describes how with one identical method the surface of a vibrating structure as well as the emitted acoustic sound field in air as well as the internal mechanical stress σ(t) in the vibrating structure can be investigated and visualized. This unique capability opens new possibilities for improving and optimizing the development of effective long-term stable sound transducers with optimized emission characteristics. Furthermore, the method can be used for investigating the internal stress of models of dynamically stressed mechanical structures. The simultaneous visualization of vibrating surfaces, internal stress σ(t) and emitted sound contributes to a better understanding of the behavior of complex dynamically excited structures.

Paper Details

Date Published: 22 June 2004
PDF: 6 pages
Proc. SPIE 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 June 2004); doi: 10.1117/12.579548
Show Author Affiliations
Lothar Zipser, Hochschule fuer Technik und Wirtschaft Dresden (Germany)
Heinz Franke, Hochschule fuer Technik und Wirtschaft Dresden (Germany)


Published in SPIE Proceedings Vol. 5503:
Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications
Enrico Primo Tomasini, Editor(s)

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