Prototype 3D real-time imaging system based on a sparse PZT spiral array

Enrico Boni, Alessandro Ramalli, Verya Daeichin, Nico de Jong, Rik Vos, P Tortoli

    Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

    4 Citations (Scopus)


    3D ultrasound imaging is costly and complicated mostly due to the need of controlling 2D probes with high numbers of elements (≥1024). Sparse arrays are a convenient way to reduce system complexity maintaining reasonable performance. A 256-element density tapered spiral array has been recently designed and realized in a piezoelectric probe prototype. The probe has been connected to the ULA-OP 256 open scanner, which can be programmed to permit volumetric scanning in real-time. This paper reports on the first experimental measurements of transmit ultrasound fields produced by such prototype system, including multi-line transmit fields that, in combination with parallel receive beamforming, may permit real-time volumetric imaging. An average −21.3dB side-lobe level (SLL) was measured on the transmit fields., while volume rates of 35 volumes per second can be achieved.
    Original languageEnglish
    Title of host publication2018 IEEE International Ultrasonics Symposium (IUS)
    EditorsK. Hashimoto, Clemens Ruppel
    Number of pages4
    ISBN (Electronic)978-1-5386-3425-7
    ISBN (Print)978-1-5386-3426-4
    Publication statusPublished - 2018
    Event2018 IEEE International Ultrasonics Symposium, IUS 2018 - Portopia Hotel, Kobe, Japan
    Duration: 22 Oct 201825 Oct 2018


    Conference2018 IEEE International Ultrasonics Symposium, IUS 2018
    Abbreviated titleIUS 2018


    • volumetric ultrasound
    • probe
    • multiline transmit


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