High Frequency Ultrasound Transducer Based on Sm-Doped Pb(Mg1/3Nb2/3)O3-0.28PbTiO3 Ceramic for Intravascular Ultrasound Imaging

Author:

Weiyan Ding1,Chen Xingfei1,Zhang Yongcheng2,Li Xiaobing1,Sun Fenglong1,Yang Zhaoping1,Tang Xi1,Zhou Changjiang3,Wang Feifei4,Zhao Xiangyong4

Affiliation:

1. School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China

2. School of Physics, University-Industry Joint Center for Ocean Observation and Broadband Communication, National Demonstration Center for Experimental Applied Physics Education, Qingdao University, Qingdao, China

3. Department of sonography, People’s Hospital Affiliated to Shandong First Medical University, Shandong, China

4. Key Laboratory of Optoelectronic Material and Device, Department of Physics, Shanghai Normal University, Shanghai, China

Abstract

Sm-doped Pb(Mg1/3Nb2/3)O3-0.28PbTiO3 (PMN-0.28PT) ceramic has been reported to exhibit very large piezoelectric response ( d33~1300 pC/N) that can be comparable with PMN-0.30PT single crystal. Based on the Sm-doped PMN-0.28PT ceramics, a high frequency ultrasound transducer with the center frequency above 30 MHz has been designed and fabricated for intravascular ultrasound imaging, and the performance of the transducer was investigated via ultrasound pulse-echo tests. Further, for a porcine vessel wall, the 2D and 3D ultrasound images were constructed using signal acquisition and processing from the fabricated high-frequency transducer. The obtained details of the vessel wall by the IVUS transducer indicate that Sm-doped PMN-0.28PT ceramic is a promising candidate for high frequency transducers.

Publisher

SAGE Publications

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