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On-a-chip surface plasmon tweezers

On-a-chip surface plasmon tweezers
On-a-chip surface plasmon tweezers
We report on an integrated optical trapping platform operated by simple fiber coupling. The system consists of a dielectric channel optical waveguide decorated with an array of gold micro-pads. Through a suitable engineering of the waveguide mode, we achieve light coupling to the surface plasmon resonance of the gold pads that act as individual plasmonic traps. We demonstrate parallel trapping of both micrometer size polystyrene beads and yeast cells at predetermined locations on the chip with only 20 mW total incident laser power.
0003-6951
Wong, H.M.K.
7b04022b-419e-4882-a28c-c25c0fe4a8d6
Righini, M.
c36d7e2a-c487-41a5-b3cb-c76a773ae6f1
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Pruneri, V.
0e97eb94-b682-409f-a107-ae6b84763f02
Quidant, R.
909bc087-6f6d-4456-80e2-6625c67e20dd
Wong, H.M.K.
7b04022b-419e-4882-a28c-c25c0fe4a8d6
Righini, M.
c36d7e2a-c487-41a5-b3cb-c76a773ae6f1
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Pruneri, V.
0e97eb94-b682-409f-a107-ae6b84763f02
Quidant, R.
909bc087-6f6d-4456-80e2-6625c67e20dd

Wong, H.M.K., Righini, M., Gates, J.C., Smith, P.G.R., Pruneri, V. and Quidant, R. (2011) On-a-chip surface plasmon tweezers. Applied Physics Letters, 99 (6). (doi:10.1063/1.3625936).

Record type: Article

Abstract

We report on an integrated optical trapping platform operated by simple fiber coupling. The system consists of a dielectric channel optical waveguide decorated with an array of gold micro-pads. Through a suitable engineering of the waveguide mode, we achieve light coupling to the surface plasmon resonance of the gold pads that act as individual plasmonic traps. We demonstrate parallel trapping of both micrometer size polystyrene beads and yeast cells at predetermined locations on the chip with only 20 mW total incident laser power.

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More information

Published date: August 2011
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 196593
URI: https://eprints.soton.ac.uk/id/eprint/196593
ISSN: 0003-6951
PURE UUID: d459a280-788a-444e-be34-fe6574ba34c5
ORCID for J.C. Gates: ORCID iD orcid.org/0000-0001-8671-5987
ORCID for P.G.R. Smith: ORCID iD orcid.org/0000-0003-0319-718X

Catalogue record

Date deposited: 09 Sep 2011 10:01
Last modified: 19 Nov 2019 01:58

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Contributors

Author: H.M.K. Wong
Author: M. Righini
Author: J.C. Gates ORCID iD
Author: P.G.R. Smith ORCID iD
Author: V. Pruneri
Author: R. Quidant

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