Supersonic boom for ultrasound
Jul 10, 2004
Conventional ultrasound techniques are ideal for generating images of the outlines of organs but they provide little information about the types of tissue within
these organs. Now Mathias Fink and colleagues from
the Laboratoire Ondes et Acoustique in
Paris have managed to address this problem
(J Bercoff et al. 2004 Appl. Phys. Lett. 842202). The team used shear waves that propagate by moving the point masses from side to side, rather
than forward and backwards. The technique could have applications for ultrasound imaging in medicine.
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