Improving the operational bandwidth of a 1-3 piezoelectric composite transducer using Sierpinski Gasket fractal geometry

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

4 Citations (Scopus)
88 Downloads (Pure)

Abstract

Wider operational bandwidth is an important requirement of an ultrasound transducer across many applications. It has been reported mathematically that by having elements with varying length scales in the piezoelectric transducer design, the device may possess a wider operational bandwidth or a higher sensitivity compared to a conventional device. In this paper, the potential for extending the operational bandwidth of a 1-3 piezoelectric composite transducer configured in a fractal geometry, known as the Sierpinski Gasket (SG), will be investigated using finite element analysis package PZFlex (Thornton Tomasetti). Two equivalent piezocomposite designs will be simulated: a conventional 1-3 piezocomposite structure and the novel SG fractal geometry arrangement. The transmit voltage response and open circuit voltage extracted from the simulations are used to illustrate the improved bandwidth predicted from the fractal composite design.
Original languageEnglish
Title of host publicationUltrasonics Symposium (IUS), 2016 IEEE International
PublisherIEEE
Number of pages4
Publication statusPublished - 18 Sep 2016
EventIEEE International Ultrasonics Symposium 2016 - VINCI Convention Center, Tours, France
Duration: 18 Sep 201621 Sep 2016
http://sites.ieee.org/ius-2016/

Conference

ConferenceIEEE International Ultrasonics Symposium 2016
Abbreviated title2016 IEEE IUS
CountryFrance
CityTours
Period18/09/1621/09/16
Internet address

Keywords

  • fractal
  • Sierpinski gasket
  • piezocomposite
  • operational bandwidth
  • ultrasound transducer
  • piezoelectric transducer
  • transmit voltage response
  • open circuit voltage

Fingerprint Dive into the research topics of 'Improving the operational bandwidth of a 1-3 piezoelectric composite transducer using Sierpinski Gasket fractal geometry'. Together they form a unique fingerprint.

Cite this