Underwater visualization of multi-input interleaved multisine wavefronts for ultrasonic testing of bone specimens using laser Doppler vibrometry

Roberto Longo; Joris Vanherzeele; Steve Vanlanduit; Patrick Guillaume

doi:10.1117/12.803032

17 June 2008 Underwater visualization of multi-input interleaved multisine wavefronts for ultrasonic testing of bone specimens using laser Doppler vibrometry

Roberto Longo, Joris Vanherzeele, Steve Vanlanduit, Patrick Guillaume

Author Affiliations +

Proceedings Volume 7098, Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; 70980T (2008) https://doi.org/10.1117/12.803032
Event: Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 2008, Ancona, Italy

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.

Citation Download Citation

Roberto Longo, Joris Vanherzeele, Steve Vanlanduit, and Patrick Guillaume "Underwater visualization of multi-input interleaved multisine wavefronts for ultrasonic testing of bone specimens using laser Doppler vibrometry", Proc. SPIE 7098, Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 70980T (17 June 2008); https://doi.org/10.1117/12.803032

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