A calculation scheme for the optimum design of ultrasonic transducers |
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| Authors: | S.J.H. van Kervel J.M. Thijssen |
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| Affiliation: | 1. Electroson B.V., 5298 LE Liempde, The Netherlands;2. Biophysics Laboratory of the Department of Ophthalmology, University of Nijmegen, Nijmegen, The Netherlands |
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| Abstract: | A calculation scheme that establishes the transfer functionof a thickness-mode piezoelectric transducer is described. A computer program enables flexible manipulation of the design. Parameters that can be inserted are the properties of the piezo-material, the quarter-wavelength layer(s), the backing load and the electrical tuning and matching.Optimization criteria such as maximum bandwidth, optimum dynamic range, minimum pulse duration and minimum round-trip insertion loss (or maximum efficiency) are discussed. |
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| Keywords: | ultrasonics transducers transfer functions |
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