Manipulation of microparticles using phase-controllable ultrasonic standing waves

Charles R. P. Courtney, C.-K. Ong, B. W. Drinkwater, P. D. Wilcox, C. Demore, S. Cochran, P. Glynne-jones, M. Hill

Research output: Contribution to journalArticle

53 Citations (Scopus)

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 μm polystyrene particles are trapped and moved in one dimension through 140 μm.
Original languageEnglish
Pages (from-to)EL195-EL199
Number of pages5
JournalJournal of the Acoustical Society of America
Volume128
Issue number4
Early online date9 Sep 2010
DOIs
Publication statusPublished - Oct 2010

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microparticles
standing waves
manipulators
ultrasonics
trapped particles
piezoelectric transducers
sound waves
polystyrene
traps
liquids
Particle
Waves
Manipulation
Trap
Acoustics
Ultrasound
Radiation
Liquid
Controlled

Cite this

Courtney, C. R. P., Ong, C-K., Drinkwater, B. W., Wilcox, P. D., Demore, C., Cochran, S., ... Hill, M. (2010). Manipulation of microparticles using phase-controllable ultrasonic standing waves. Journal of the Acoustical Society of America, 128(4), EL195-EL199. https://doi.org/10.1121/1.3479976

Manipulation of microparticles using phase-controllable ultrasonic standing waves. / Courtney, Charles R. P.; Ong, C.-K.; Drinkwater, B. W.; Wilcox, P. D.; Demore, C.; Cochran, S.; Glynne-jones, P.; Hill, M.

In: Journal of the Acoustical Society of America, Vol. 128, No. 4, 10.2010, p. EL195-EL199.

Research output: Contribution to journalArticle

Courtney, CRP, Ong, C-K, Drinkwater, BW, Wilcox, PD, Demore, C, Cochran, S, Glynne-jones, P & Hill, M 2010, 'Manipulation of microparticles using phase-controllable ultrasonic standing waves', Journal of the Acoustical Society of America, vol. 128, no. 4, pp. EL195-EL199. https://doi.org/10.1121/1.3479976
Courtney, Charles R. P. ; Ong, C.-K. ; Drinkwater, B. W. ; Wilcox, P. D. ; Demore, C. ; Cochran, S. ; Glynne-jones, P. ; Hill, M. / Manipulation of microparticles using phase-controllable ultrasonic standing waves. In: Journal of the Acoustical Society of America. 2010 ; Vol. 128, No. 4. pp. EL195-EL199.
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