An accurate non-contacting laser based system for surface wave velocity measurement

Michael Geoffrey Somekh, M. Liu, H. P. Ho, C. W. See

Research output: Journal article publicationJournal articleAcademic researchpeer-review

14 Citations (Scopus)

Abstract

This paper describes the development of a new optical system for accurate measurement of surface wave velocity and attenuation. A mode-locked Q-switch laser generates a Rayleigh wave tone burst which is detected with a two beam interferometer system. The resulting signals are then processed using a simple cross correlation algorithm. Results demonstrating the velocity resolution of the system are presented on both ceramic and metallic samples.
Original languageEnglish
Article number013
Pages (from-to)1329-1337
Number of pages9
JournalMeasurement Science and Technology
Volume6
Issue number9
DOIs
Publication statusPublished - 1 Dec 1995
Externally publishedYes

ASJC Scopus subject areas

  • Instrumentation
  • Engineering (miscellaneous)
  • Applied Mathematics

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