Robust acoustic particle manipulation: a thin-reflector design for moving particles to a surface

Glynne-Jones, Peter, Boltryk, Rosemary J., Hill, Martyn, Harris, Nicholas R. and Baclet, Pierre (2009) Robust acoustic particle manipulation: a thin-reflector design for moving particles to a surface. Journal of the Acoustical Society of America, 126, (3), 75-79. (doi:10.1121/1.3186800).


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Existing ultrasonic manipulation devices capable of pushing particles to a surface (“quarter-wave” devices) have significant potential in sensor applications. A configuration for achieving this that uses the first thickness resonance of a layered structure with both a thin reflector layer and thin-fluid layer is described here. Crucially, this mode is efficient with lossy reflector materials such as polymers, produces a more uniform acoustic radiation force at the reflector, and is less sensitive to geometric variations than previously described quarter-wave devices. This design is thus expected to be suitable for mass produced, disposable devices

Item Type: Article
Digital Object Identifier (DOI): doi:10.1121/1.3186800
ISSNs: 0001-4966 (print)
Related URLs:
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences > Electro-Mechanical Engineering
ePrint ID: 71776
Accepted Date and Publication Date:
September 2009Published
Date Deposited: 07 Jan 2010
Last Modified: 31 Mar 2016 13:03
Ultrasonic manipulation and transport of DNA molecules in evanescent light fields
Funded by: EPSRC (EP/D03454X/1)
Led by: Martyn Hill
13 August 2006 to 12 January 2010

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