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Conformally mapped 2D ultrasonic array structure for NDT imaging application

Ramadas, Sivaram Nishal and Jackson, Joseph and Tweedie, Andrew and O'Leary, Richard and Gachagan, Anthony (2011) Conformally mapped 2D ultrasonic array structure for NDT imaging application. In: Proceedings 2010 IEEE international ultrasonics symposium. IEEE, pp. 33-36. ISBN 9781457703829

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Abstract

Recent years have seen rapid increase in 2-Dimensional arrays for NDE imaging applications. This paper applies conformal mapping techniques as a means of designing non-periodic, sparse array transducers. Extensive field modeling using Huygens' principle is employed to study merits of the new array layout. Finally, an image processing methodology to conveniently compare various aperiodic designs is presented.