Transducer for harmonic intravascular ultrasound imaging

Hendrik J. Vos, Martijn E. Frijlink, Erik Droog, David E. Goertz, Gerrit Blacquiere, Anton Gisolf, Nico de Jong, Antonius F.W. van der Steen

Research output: Contribution to journalArticleAcademicpeer-review

40 Citations (Scopus)
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A recent study has shown the feasibility of tissue harmonic imaging (THI) using an intravascular ultrasound (IVUS) transducer. This correspondence describes the design, fabrication, and characterization of a THI-optimized piezoelectric transducer with oval aperture of 0.75 mm by 1 mm. The transducer operated at 20 MHz and 40 MHz, and was comprised of a single piezoelectric layer with additional passive layers. The Krimholtz-Leedom-Matthaei (KLM) model was used to iteratively find optimal material properties of the different layers. The transducer characterization showed -6 dB fractional bandwidths of 30% and 25%, and two-way insertion losses of -20 dB and -36 dB, respectively.
Original languageEnglish
Pages (from-to)2418-2422
Number of pages5
JournalIEEE transactions on ultrasonics, ferroelectrics and frequency control
Issue number12
Publication statusPublished - 2005


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