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

Robust acoustic particle manipulation: a thin-reflector design for moving particles to a surface
Robust acoustic particle manipulation: a thin-reflector design for moving particles to a surface
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
0001-4966
75-79
Glynne-Jones, Peter
6ca3fcbc-14db-4af9-83e2-cf7c8b91ef0d
Boltryk, Rosemary J.
0452b21c-a758-4d4a-925b-1511d9296d62
Hill, Martyn
0cda65c8-a70f-476f-b126-d2c4460a253e
Harris, Nicholas R.
237cfdbd-86e4-4025-869c-c85136f14dfd
Baclet, Pierre
e8fa0315-0bc5-4ce3-8918-35c5fc45997a
Glynne-Jones, Peter
6ca3fcbc-14db-4af9-83e2-cf7c8b91ef0d
Boltryk, Rosemary J.
0452b21c-a758-4d4a-925b-1511d9296d62
Hill, Martyn
0cda65c8-a70f-476f-b126-d2c4460a253e
Harris, Nicholas R.
237cfdbd-86e4-4025-869c-c85136f14dfd
Baclet, Pierre
e8fa0315-0bc5-4ce3-8918-35c5fc45997a

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), pp. 75-79. (doi:10.1121/1.3186800).

Record type: Article

Abstract

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

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Published date: September 2009

Identifiers

Local EPrints ID: 71776
URI: http://eprints.soton.ac.uk/id/eprint/71776
ISSN: 0001-4966
PURE UUID: df130882-3cda-4852-b664-8e85f95b70b6
ORCID for Peter Glynne-Jones: ORCID iD orcid.org/0000-0001-5684-3953
ORCID for Martyn Hill: ORCID iD orcid.org/0000-0001-6448-9448
ORCID for Nicholas R. Harris: ORCID iD orcid.org/0000-0003-4122-2219

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Date deposited: 07 Jan 2010
Last modified: 18 Jul 2017 23:58

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Contributors

Author: Rosemary J. Boltryk
Author: Martyn Hill ORCID iD
Author: Nicholas R. Harris ORCID iD
Author: Pierre Baclet

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