Air coupled piezoelectric detection of laser -generated ultrasound

D.A. Hutchins, WMD Wright, Gordon Hayward, Anthony Gachagan

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

A pulsed laser has been used to generate ultrasonic transients in samples of metal and fiber-reinforced polymer composite material. These have been detected using an air-coupled piezoelectric transducer. It is demonstrated that such a transduction system can be used for longitudinal waves in bulk material, Rayleigh waves at solid surfaces and Lamb waves in thin plates.
Original languageEnglish
Pages (from-to)796-805
Number of pages10
JournalIEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Volume41
Issue number6
DOIs
Publication statusPublished - Nov 1994

Keywords

  • ultrasonic transducers
  • rayleigh waves
  • piezoelectric transducers
  • surface acoustic wave devices

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