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Phase aberration correction in two dimensions using a deformable array transducer

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2 Author(s)
Ries, L.L. ; Dept. of Biomed. Eng., Duke Univ., Durham, NC, USA ; Smith, S.W.

Two-dimensional arrays are required to implement an electronic two-dimensional phase correction in tissue. Instead of using a two-dimensional array, a new technique is proposed which uses a deformable transducer of significantly fewer channels for two-dimensional phase correction. Phase correction in azimuth is achieved by altering the electronic phase delay of the element. However, phase correction in elevation is achieved by tilting the element in elevation with a piezoelectric actuator. Here, simulations of the deformable array and results from a prototype deformable array are presented

Published in:

Ultrasonics Symposium, 1995. Proceedings., 1995 IEEE  (Volume:2 )

Date of Conference:

7-10 Nov 1995

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