IMAGING DEFECTS WITH LASER ULTRASOUND

D. A. HUTCHINS Departments of Physics and Geological Sciences, Queen's University, Kingston, Ontario, K7L 3N6, Canada;View further author information

D. JANSEN Departments of Physics and Geological Sciences, Queen's University, Kingston, Ontario, K7L 3N6, Canada;

R.P. YOUNG Departments of Physics and Geological Sciences, Queen's University, Kingston, Ontario, K7L 3N6, Canada;

C. SALEH Departments of Physics and Geological Sciences, Queen's University, Kingston, Ontario, K7L 3N6, Canada;

S. L. KRAMER Ontario Hydro Research Division, 800 Kipling Avenue, Toronto, Ontario, M8Z 5S4, Canada;

Abstract

A pulsed laser ultrasonic source and an electromagnetic acoustic (EMAT) detector have been used to produce images of artificial defects in aluminium samples. Three different imaging techniques have been investigated: reflection tomography, the synthetic aperture focusing technique (SAFT) and transmission tomography

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D. A. HUTCHINS

Present address: Department of Engineering, University of Warwick, Coventry CV4 7AL, U.K.

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IMAGING DEFECTS WITH LASER ULTRASOUND

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D. A. HUTCHINS

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IMAGING DEFECTS WITH LASER ULTRASOUND

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D. A. HUTCHINS

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