Long distance leaky surface ultrasonic waves

K. Joseph, S. Jayaraman, B. Tittmann

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

This paper contains a description of an unique wave that was created in a two plate system separated by a layer of water. First, a Lamb wave was created in the upper plate by placing a transducer on a wedge on top of the plate at an appropriate angle and frequency. This wave was created to act like quasi-Rayleigh (surface) waves on both surfaces of the plate. The wave on the bottom surface of the upper plate then leaked through the water into the upper surface of the lower plate. We will show both experimentally and theoretically that the wave on the surfaces of the plates in contact with the water leak constructively to create a leaky-wave that can travel great distances. The cooperative behaviour was modelled on a computer.

Original languageEnglish (US)
Pages (from-to)187-196
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4336
DOIs
StatePublished - Jan 1 2001
EventNondestructive and Evaluation of Materials and Composites V - Newport Beach, CA, United States
Duration: Mar 7 2001Mar 8 2001

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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