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A three-port acoustic lattice model for piezoelectric transducers containing opposing zones of polarization

  • S.N. Ramadas
  • , G. Hayward
  • , Richard O'Leary
  • , T. McCunnie
  • , Anthony Mulholland
  • , A. Troge
  • , R.A. Pethrick
  • , D. Robertson
  • , V. Murray

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

1 Citation (Scopus)

Abstract

Inversion Layer Transducers (ILT) have attracted considerable interest in the recent past, due to the wide bandwidth and even harmonic sensitivity. This paper presents a new three-port lattice model for ILT devices. Based on linear systems theory, a discrete bi-directional lattice is used to describe the mechanical wave propagation and continuous transfer function to represent the electrical parameter. The mathematical formulation for an ILT configuration, and a straightforward physical interpretation of the lattice model is presented. A selection of experimental and simulation results are included to demonstrate the feasibility of the technique
Original languageEnglish
Title of host publication2007 IEEE International Ultrasonics Symposium, New York, United States, 28/10/07
DOIs
Publication statusPublished - Oct 2007

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