Design and fabrication of an integrated dual-mode ultrasonic probe

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DOIResolve DOI: http://doi.org/10.1016/j.ultras.2012.11.009
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TypeArticle
Journal titleUltrasonics
ISSN0041-624X
Volume53
Issue3
Pages637641; # of pages: 5
SubjectDual modes; Liquid sample; Longitudinal waves; Measurement sensitivity; Mode conversions; Piezoelectric film; Probe design; Pulse echoes; Ultrasonic probe; Viscous liquids; Conversion efficiency; Probes; Shear waves; Silicones; Substrates; Ultrasonic testing; Ultrasonic transducers; Nanocomposites
AbstractIn this paper, we present an integrated dual-mode ultrasonic probe that is capable of transmitting and receiving longitudinal and shear waves (LW and SW, respectively) simultaneously. The probe consists of a thick piezoelectric film LW ultrasonic transducer and a substrate with a specific shape. An SW is generated inside the substrate by mode conversion. In the probe design, two factors were theoretically investigated: impedance matching between the substrate and the material being measured to improve measurement sensitivity and mode conversion efficiency at the slanted face of the substrate. The developed probe was tested with a selected silicone liquid sample to demonstrate its capability to measure the properties of a viscous liquid using both LW and SW. © 2013 Elsevier B.V. All rights reserved.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC)
Peer reviewedYes
NPARC number21270589
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Record identifier6235d3bc-fa01-4978-9894-743898fe5eee
Record created2014-02-17
Record modified2016-05-09
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