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Title: Radiation forces study of multiple trapping acoustic tweezers
Authors: Yu, Y
Qiu, W
Sun, L 
Keywords: Acoustic beams
Charge carrier processes
Three-dimensional displays
Issue Date: 2012
Source: 2012 IEEE International Ultrasonics Symposium, Dresden, Germany, October 7-10 2012, 7-10 Oct. 2012, p. 2750-2753 How to cite?
Abstract: Since the first demonstration of acoustic tweezers, various applications have required the simultaneous trapping of not one but many particles in 3-D. Although the multiple-focus acoustic field created by 100MHz phased array transducer has been proposed, the trapping forces along and across the beam propagation direction for spheres with various sizes have not been analysis yet. In this paper, a 50MHz 2-D phased array transducer is used to generate and control the multiple-focus acoustic field. We calculate the axial and lateral radiation force for particles with different diameters at various positions. Meanwhile, the displacement trajectories for particles with different initial position are presented. The results demonstrate that this model has the ability of multiple trapping in 3D.
ISBN: 978-1-4673-4561-3
ISSN: 1944-9925
DOI: 10.1109/ULTSYM.2012.0689
Appears in Collections:Conference Paper

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