Focussing the beam : Acoustic lens

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Focussing the beam Number of elements to produce a beam is 128 Problem with non focussed ultrasound beam is that spatial resolution is poor ( ie the ability to see 2 structures side by side as separate) as the beam is relatively wide. To improve this a narrow beam is better and focussing of the Read more about Focussing the beam : Acoustic lens[…]

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