NDT.net - June 2000, Vol. 5 No. 06

Recent Advances in Adaptive Receivers For Laser-Generated Ultrasound

Marvin Klein
Bruno Pouet
G. David Bacher
Lasson Technologies
6059 Bristol Parkway
Culver City, CA 90230,USA

NDTISS'99 - International Symposium on NDT Contribution to
the Infrastructure Safety Systems, 1999 NOV 22-26 Torres,
published by UFSM, Santa Maria, RS, Brazil



Two-Wave Mixing

Photo-Emf Detection


  1. C. B. Scruby and L. E. Drain, Laser Ultrasonics: Techniques and Applications, Adam Hilgar, Bristol, 1990.
  2. J.-P. Monchalin and R. Heon, Mater. Eval. 44, 1231 (1986).
  3. A. Blouin, P. Delaye, D. Drolet, L.-A. de Montmorillon, J.C. Launay, G. Roosen and J.-P. Monchalin, "Optical detection of ultrasound using two-wave mixing in semiconductor photorefractive crystals and comparison with the Fabry-Perot," in Nondestructive Characterization of Materials VIII, Ed. by R.E. Green, Jr., Plenum Press, New York, 1998, pp. 13-20
  4. I. Lahiri, L.J. Pyrak-Nolte, D.D. Nolte, M.R. Melloch, R.A. Kruger, G.D. Bacher and M.B. Klein, "Laser-based ultrasound detection using photorefractive multiple quantum wells," Appl. Phys. Lett. 73, (8) 1041 (1998).
  5. P.V. Mitchell, G.J. Dunning, S.W. McCahon, M.B. Klein, T.R. O'Meara and D.M. pepper, "Compensated high-bandwidth laser ultrasonic detector based on photo-induced emf in GaAs," in Review of Progress in Quantitative Nondestructive Evaluation, Ed. by D.O. Thompson and D.E. Chimenti, Plenum Press, New York, 1996, Vol. 15, pp. 2149-2155.
  6. B. Pouet, E. Lafond, B. Pufahl, D. Bacher, P. Brodeur and M. Klein, "On-machine characterization of moving paper using a photo-emf laser ultrasonics method," to be published in Proc. SPIE, 3589 (1999).
  7. D.D. Nolte, J.A. Coy, G.J. Dunning, D.M. Pepper, M.P. Chiao, G.D. Bacher and M.B. Klein, Opt. Lett. 24, 342-344 (1999).

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