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Proceedings 2018, 2(8), 491;

Insights into Acoustically Induced PiezoLuminescence: The Visualization of Ultrasonic Beam Patterns

Department of Solid State Sciences, LumiLab, Ghent University, 9000 Ghent, Belgium
Center for Nano- and Biophotonics, Ghent University, B-9052 Ghent, Belgium
Department of Materials, Textiles and Chemical Engineering (MaTCh), Mechanics of Materials and Structures (MMS), Ghent University, B-9052 Ghent, Belgium
Physics of Fluids Group, Technical Medical (TechMed) Research Institute and MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
Presented at the 18th International Conference on Experimental Mechanics (ICEM18), Brussels, Belgium, 1–5 July 2018.
Author to whom correspondence should be addressed.
Published: 29 June 2018
PDF [981 KB, uploaded 17 July 2018]


Ultrasonic transducers are used in many fields of application, including medical imaging/treatment, non-destructive testing and material characterization. To assure the quality of the ultrasonic investigation transducers require regular checks for possible deterioration and accurate calibration. Current methods rely on point-by-point scanning of the ultrasound field with a needle hydrophone, which is expensive and time consuming. Recently, we have developed a new concept, in which a fast full-field visualization of the radiation field is achieved through Acoustically induced PiezoLuminescence (APL). Here, we report on an improved ultrasonic beam visualization and provide further insights into the mechanism underlying APL and mechanoluminescence.
Keywords: mechanoluminescence; ultrasound; transducer; APL mechanoluminescence; ultrasound; transducer; APL
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Michels, S.; Kersemans, M.; Lajoinie, G.; Versluis, M.; Smet, P.F. Insights into Acoustically Induced PiezoLuminescence: The Visualization of Ultrasonic Beam Patterns. Proceedings 2018, 2, 491.

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