Manipulation of microparticles using phase-controllable ultrasonic standing wave
Manipulation of microparticles using phase-controllable ultrasonic standing wave
A method of manipulating microparticles in a liquid using ultrasound is proposed and demonstrated. An ultrasonic standing wave with nodal planes whose positions are controllable by varying the relative phase of two applied sinusoidal signals is generated using a pair of acoustically matched piezoelectric transducers. The resulting acoustic radiation force is used to trap micron scale particles at a series of arbitrary positions (determined by the relative phase) and then move them in a controlled manner. This method is demonstrated experimentally and 5??m polystyrene particles are trapped and moved in one dimension through 140??m
EL195-EL199
Courtney, C.R.P.
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Ong, C.-K.
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Drinkwater, B.W.
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Wilcox, P.D.
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Demore, C.
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Cochran, S.
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Glynne-Jones, P.
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Hill, M.
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October 2010
Courtney, C.R.P.
56db0335-60cb-4ac0-91ae-01dad22b7229
Ong, C.-K.
662e6ee6-5aad-458b-9010-6a36eba9833f
Drinkwater, B.W.
91fafe40-f803-4ecf-9323-8c8caeca5418
Wilcox, P.D.
ac190c38-e2b0-49c9-bc41-3e84b061a706
Demore, C.
365acbe2-2640-4594-a801-6d80d28c9669
Cochran, S.
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Glynne-Jones, P.
6ca3fcbc-14db-4af9-83e2-cf7c8b91ef0d
Hill, M.
0cda65c8-a70f-476f-b126-d2c4460a253e
Courtney, C.R.P., Ong, C.-K., Drinkwater, B.W., Wilcox, P.D., Demore, C., Cochran, S., Glynne-Jones, P. and Hill, M.
(2010)
Manipulation of microparticles using phase-controllable ultrasonic standing wave.
Journal of the Acoustical Society of America, 128 (4), .
(doi:10.1121/1.3479976).
(PMID:20968325)
Abstract
A method of manipulating microparticles in a liquid using ultrasound is proposed and demonstrated. An ultrasonic standing wave with nodal planes whose positions are controllable by varying the relative phase of two applied sinusoidal signals is generated using a pair of acoustically matched piezoelectric transducers. The resulting acoustic radiation force is used to trap micron scale particles at a series of arbitrary positions (determined by the relative phase) and then move them in a controlled manner. This method is demonstrated experimentally and 5??m polystyrene particles are trapped and moved in one dimension through 140??m
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Published date: October 2010
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Local EPrints ID: 180655
URI: http://eprints.soton.ac.uk/id/eprint/180655
ISSN: 0001-4966
PURE UUID: c92703f9-cbc6-461f-897e-5a0a6fb14f72
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Date deposited: 13 Apr 2011 10:29
Last modified: 15 Mar 2024 03:03
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Contributors
Author:
C.R.P. Courtney
Author:
C.-K. Ong
Author:
B.W. Drinkwater
Author:
P.D. Wilcox
Author:
C. Demore
Author:
S. Cochran
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