Air coupled piezoelectric detection of laser -generated ultrasound

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

Research output: Contribution to journalArticle

41 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.
LanguageEnglish
Pages796-805
Number of pages10
JournalIEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Volume41
Issue number6
DOIs
Publication statusPublished - Nov 1994

Fingerprint

Lamb waves
piezoelectric transducers
thin plates
longitudinal waves
Rayleigh waves
solid surfaces
Surface waves
surface waves
pulsed lasers
ultrasonics
Ultrasonics
Piezoelectric transducers
composite materials
fibers
Lasers
air
polymers
Air
Pulsed lasers
metals

Keywords

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

Cite this

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Air coupled piezoelectric detection of laser -generated ultrasound. / Hutchins, D.A.; Wright, WMD; Hayward, Gordon; Gachagan, Anthony.

In: IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Vol. 41, No. 6, 11.1994, p. 796-805.

Research output: Contribution to journalArticle

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AB - 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.

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