A simple method for evaluating the trapping performance of acoustic tweezers

Ying Li, Changyang Lee, Kwok Ho Lam, Kirk Shung

Research output: Journal article publicationJournal articleAcademic researchpeer-review

25 Citations (Scopus)


The purpose of this paper is to present a rapid and simple method to evaluate the trapping performance of high frequency focused ultrasonic transducers for acoustic tweezer applications. The method takes into consideration the friction between the particle to be trapped and the surface that it resides on. As a result it should be more reliable and accurate than the methods proposed previously. The trapping force produced by a 70-MHz press-focused transducer was measured to evaluate the performance of this approach. This method demonstrates its potential in optimizing the excitation conditions for acoustic tweezer applications and the design of acoustic tweezers.
Original languageEnglish
Article number084102
JournalApplied Physics Letters
Issue number8
Publication statusPublished - 25 Feb 2013
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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