Design, construction and experimental investigation of ultrasonic pulse transducers with different bandwidths

Klaus Peter Richter, Rudolf Millner, Franz Holzer, Norbert Leitgeb, Paul Wach

Research output: Contribution to journalArticlepeer-review

Abstract

This Paper describes the design and construction of 3 MHz medical ceramic transducers with single- and double-matching to a tissue loading for pulse-echo operation. Different impedances of the backing material were used to provide bandwidths between 20 and 80% of the centre frequency. The influence of both the backing and matching are discussed with reference to the admittance function for several construction stages. The measured admittance functions are compared with calculations based on Mason's model and with the measured power transfer and efficiency functions.
Original languageEnglish
Pages (from-to)229-236
JournalUltrasonics
Volume25
Issue number4
DOIs
Publication statusPublished - 1987

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