Characterization of spherically focused transducers using an ultrasonic measurement model approach |
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| Authors: | T. P. Lerch L. W. Schmerr A. Sedov |
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| Affiliation: | (1) Center for NDE and the Department of Aerospace Engineering and Engineering Mechanics, Iowa State University, 50011 Ames, IA, USA;(2) Department of Mechanical Engineering, Lakehead University, P7B 5E1 Thunder Bay, Ontario, Canada |
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| Abstract: | A new and computationally efficient method is developed for characterizing a spherically focused, ultrasonic transducer (and its accompanying test system). Procedures for determining the probe's effective radius, effective focal length, and system efficiency factor are described. Predicted responses that make use of these effective parameters are shown to correspond very well to measured responses for a number of different transducers. |
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