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Proceedings Paper

Underwater visualization of multi-input interleaved multisine wavefronts for ultrasonic testing of bone specimens using laser Doppler vibrometry
Author(s): Roberto Longo; Joris Vanherzeele; Steve Vanlanduit; Patrick Guillaume
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Paper Abstract

The interaction of Ultrasound waves with bone material has always been of great interest for the scientific community. This is due to the fact that ultrasonic waves are non-ionizing, cheap, and easy to generate and to detect. The use of multi-input interleaved multisine offers new applications for ultrasonic testing in bone specimens, where identification of material properties by means of ultrasound pulses often suffers from poor S/N ratio. The research reported here, describes a novel application a of scanning Laser Doppler Vibrometer (LDV) to the analysis of bone specimens by means of underwater visualization of multisines acoustic fields. The results demonstrate that this new non-invasive acoustic measurement technique can successfully visualize and measure reflected acoustic fields, as well as diffraction effects.

Paper Details

Date Published: 17 June 2008
PDF: 6 pages
Proc. SPIE 7098, Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 70980T (17 June 2008); doi: 10.1117/12.803032
Show Author Affiliations
Roberto Longo, Vrije Univ. Brussel (Belgium)
Joris Vanherzeele, Vrije Univ. Brussel (Belgium)
Steve Vanlanduit, Vrije Univ. Brussel (Belgium)
Patrick Guillaume, Vrije Univ. Brussel (Belgium)

Published in SPIE Proceedings Vol. 7098:
Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications
Enrico Primo Tomasini, Editor(s)

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