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Performance of high frequency PZT fiber composite and PbTiO3 transducers

    Research output: Contribution to journalConference articlepeer-review

    Abstract

    Fiber composite and PbTiO3 ceramic transducers performance are improved through innovative tuning techniques and optimized materials selection. The fiber composite transducers with center frequency around 40 MHz showed 6 dB bandwidth as high as 100% and round-trip insertion losses near -36 dB. Compared to fiber composite transducers, the PbTiO3 ceramic transducers can work at much higher frequencies (near 90 MHz). In a similar frequency range as fiber composite transducers, they showed improvement sensitivity as marked by an insertion loss around -24 dB. In addition, they still displayed good bandwidth as a result of electrical tuning.

    Original languageEnglish (US)
    Pages (from-to)100-108
    Number of pages9
    JournalProceedings of SPIE - The International Society for Optical Engineering
    Volume3982
    StatePublished - 2000
    EventMedical Imaging 2000: Ultrasonic Imaging and Signal Processing - San Diego, CA, USA
    Duration: Feb 16 2000Feb 17 2000

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering

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