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Volume 28 Issue 1
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2020  >  28(1): 107-112
LIU Yi-ming, TIAN Feng-hua, SONG Zhe, WANG Tao, LÜ Lin-xia. Design of a Broadband Piezoelectric Single Crystal Transducer[J]. Journal of Unmanned Undersea Systems, 2020, 28(1): 107-112. doi: 10.11993/j.issn.2096-3920.2020.01.015
Citation: LIU Yi-ming, TIAN Feng-hua, SONG Zhe, WANG Tao, LÜ Lin-xia. Design of a Broadband Piezoelectric Single Crystal Transducer[J]. Journal of Unmanned Undersea Systems, 2020, 28(1): 107-112. doi: 10.11993/j.issn.2096-3920.2020.01.015
shu

Design of a Broadband Piezoelectric Single Crystal Transducer

doi: 10.11993/j.issn.2096-3920.2020.01.015
  • 1.

    The 705 Research Institute, China Shipbuilding Industry Corporation, Xi’an 710077, China

  • 2.

    School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an 710049, China

  • Received Date: 2019-05-28
  • Rev Recd Date: 2019-07-09
  • Publish Date: 2020-02-29
    Abstract
  • To improve the low-frequency performance, working bandwidth, transmitting voltage response and recei- ving sensitivity of the composite bar transducer, a broadband piezoelectric single crystal transducer is designed with PMN-PT piezoelectric single crystal as the driving element, and the matching layer technology is adopted to expand its bandwidth. The finite element software is employed to establish finite element models of the piezoelectric single crystal transducer and a similar piezoelectric ceramic transducer, and quantitative evaluation of single crystal PMN-PT materials is completed. Pool test shows that compared with the transducer with PZT-4 material, the designed broadband transducer has lower frequency and wider bandwidth, and its transmission voltage response is 3~5 dB higher and receiving sensitivity is 1~12 dB higher, indicating that the designed transducer has better acoustic detection performance.

     

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    • References(10)
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