Independent trapping and manipulation of microparticles using dexterous acoustic tweezers

C.R.P. Courtney, C.E.M. Demore, H. Wu, A. Grinenko, P.D. Wilcox, S. Cochran, B.W. Drinkwater

Research output: Contribution to journalArticle

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Abstract

An electronically controlled acoustic tweezer was used to demonstrate two acoustic manipulation phenomena: superposition of Bessel functions to allow independent manipulation of multiple particles and the use of higher-order Bessel functions to trap particles in larger regions than is possible with first-order traps. The acoustic tweezers consist of a circular 64-element ultrasonic array operating at 2.35MHz which generates ultrasonic pressure fields in a millimeter-scale fluid-filled chamber. The manipulation capabilities were demonstrated experimentally with 45 and 90-lm-diameter polystyrene spheres. These capabilities bring the dexterity of acoustic tweezers substantially closer to that of optical tweezers.
Original languageEnglish
Article number154103
Pages (from-to)1-4
Number of pages4
JournalApplied Physics Letters
Volume104
Issue number15
DOIs
Publication statusPublished - 14 Apr 2014

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microparticles
manipulators
trapping
acoustics
Bessel functions
ultrasonics
traps
pressure distribution
polystyrene
chambers
fluids

Cite this

Courtney, C. R. P., Demore, C. E. M., Wu, H., Grinenko, A., Wilcox, P. D., Cochran, S., & Drinkwater, B. W. (2014). Independent trapping and manipulation of microparticles using dexterous acoustic tweezers. Applied Physics Letters, 104(15), 1-4. [154103]. https://doi.org/10.1063/1.4870489

Independent trapping and manipulation of microparticles using dexterous acoustic tweezers. / Courtney, C.R.P.; Demore, C.E.M.; Wu, H.; Grinenko, A.; Wilcox, P.D.; Cochran, S.; Drinkwater, B.W.

In: Applied Physics Letters, Vol. 104, No. 15, 154103, 14.04.2014, p. 1-4.

Research output: Contribution to journalArticle

Courtney, CRP, Demore, CEM, Wu, H, Grinenko, A, Wilcox, PD, Cochran, S & Drinkwater, BW 2014, 'Independent trapping and manipulation of microparticles using dexterous acoustic tweezers', Applied Physics Letters, vol. 104, no. 15, 154103, pp. 1-4. https://doi.org/10.1063/1.4870489
Courtney, C.R.P. ; Demore, C.E.M. ; Wu, H. ; Grinenko, A. ; Wilcox, P.D. ; Cochran, S. ; Drinkwater, B.W. / Independent trapping and manipulation of microparticles using dexterous acoustic tweezers. In: Applied Physics Letters. 2014 ; Vol. 104, No. 15. pp. 1-4.
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