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Suppressing of Antisymmetric Mode using Superposition of Lamb Waves Generated by two Laser Beams in a Thin Plate

Seung Seok Lee, Sang Whoe Dho, Young Gil Kim, Bong Young Ahn, Se-kyoung Lee
Nondestructive Testing Group, Korea Research Institute of Standards and Science,
P.O.BOX 102, Yusong, Taejon 305-600, Korea
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Abstract

References

  1. I.A. Victorov, Rayleigh and Lamb Waves(Plenum, New York, 1967)
  2. H.F. Pollard, Sound Waves in Solids(Pion Limited, London, 1977).
  3. E. Hecht and A. Jajac, Optics(Addison-Wesley Publishing Company, 1979)
  4. C. B. Scruby and L. E. Drain, Laser Ultrasonics : Techniques and Applications (Adam Hilger, 1990)
  5. F.L. Degertekin and B. T. Khuri-Yakub, Appl. Phys. Lett. 69, 146(1996)
  6. A technique to generate single-mode Lamb wave by the symmetric laser beam technique, in which two symmetric laser beams quasi-simultaneously hit at the same points of both sides of a thin plate. This proceeding
  7. A.C. Bushell, C. Edwards and S.B. Palmer, British. J. NDT, 33, 177(1991)
  8. D.A. Hutchins and K. Lundgren, J. Acoust. Soc. Am. 85, 1441(1989)

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