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Manipulation of colloidal gold nanoparticles in the evanescent field of a channel waveguide

Manipulation of colloidal gold nanoparticles in the evanescent field of a channel waveguide
Manipulation of colloidal gold nanoparticles in the evanescent field of a channel waveguide
Colloidal gold spheres of radius 10 nm are reported to move forward in water, under the influence of radiation pressure forces, due to the evanescent field at the surface of an optical channel waveguide. The velocity is linearly dependent upon the optical power in the waveguide, acquiring a maximum velocity of 4 µm/s for modal power of 500 mW in the TM polarization at a wavelength of = 1.047 µm.
0003-6951
1993-1995
Ng, L.N.
00db8c9f-a390-488e-89a1-9c62f260878c
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Luff, B.J.
04d280ab-ae84-4715-9dad-6a1120050ccd
Ng, L.N.
00db8c9f-a390-488e-89a1-9c62f260878c
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Luff, B.J.
04d280ab-ae84-4715-9dad-6a1120050ccd

Ng, L.N., Zervas, M.N., Wilkinson, J.S. and Luff, B.J. (2000) Manipulation of colloidal gold nanoparticles in the evanescent field of a channel waveguide. Applied Physics Letters, 76 (15), 1993-1995. (doi:10.1063/1.126232).

Record type: Article

Abstract

Colloidal gold spheres of radius 10 nm are reported to move forward in water, under the influence of radiation pressure forces, due to the evanescent field at the surface of an optical channel waveguide. The velocity is linearly dependent upon the optical power in the waveguide, acquiring a maximum velocity of 4 µm/s for modal power of 500 mW in the TM polarization at a wavelength of = 1.047 µm.

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More information

Published date: 2000
Organisations: Optoelectronics Research Centre
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 13624
URI: http://eprints.soton.ac.uk/id/eprint/13624
DOI: doi:10.1063/1.126232
ISSN: 0003-6951
PURE UUID: 4c1f2234-c8f2-4c68-af9a-9a83d82f20f7
ORCID for M.N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059
ORCID for J.S. Wilkinson: ORCID iD orcid.org/0000-0003-4712-1697

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Date deposited: 01 Jan 2005
Last modified: 16 Mar 2024 02:41

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Contributors

Author: L.N. Ng
Author: M.N. Zervas ORCID iD
Author: J.S. Wilkinson ORCID iD
Author: B.J. Luff

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