Abstract

We demonstrate three-dimensional trapping of micrometer-diameter silica particles, partially coated with silver, within conventional optical tweezers. Although metallic particles are usually repelled from the beam focus by the scattering force, we show that transparent spheres partially coated with silver can be trapped with efficiencies comparable with dielectric particles. The trapping characteristics of these particles are examined as a function of metallic coverage, and the application of these particles to surface-enhanced resonance Raman scattering is investigated.

© 2004 Optical Society of America

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2004 (2)

B. Tolaieb, C. J. L. Constantino, and R. F. Aroca, Analyst 129, 337 (2004).
[CrossRef]

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

2003 (1)

E. Verpoorte, Lab Chip 3, 60N (2003).
[CrossRef]

2002 (1)

C. Xie and Y. Li, Appl. Phys. Lett. 81, 951 (2002).
[CrossRef]

1998 (1)

1995 (1)

1994 (2)

1992 (1)

K. Sasaki, M. Koshioka, H. Misawa, and N. Kitamura, Appl. Phys. Lett. 60, 807 (1992).
[CrossRef]

1986 (1)

Aroca, R. F.

B. Tolaieb, C. J. L. Constantino, and R. F. Aroca, Analyst 129, 337 (2004).
[CrossRef]

Ashkin, A.

Bjorkholm, J. E.

Block, S. M.

Chu, S.

Constantino, C. J. L.

B. Tolaieb, C. J. L. Constantino, and R. F. Aroca, Analyst 129, 337 (2004).
[CrossRef]

Cooper, J. M.

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

Dasari, R. R.

Docherty, F. T.

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

Dziedzic, J. M.

Feld, M. S.

Furukawa, H.

Graham, D.

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

Harada, Y.

Jordan, P.

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

Kitamura, N.

K. Sasaki, M. Koshioka, H. Misawa, and N. Kitamura, Appl. Phys. Lett. 60, 807 (1992).
[CrossRef]

Kneipp, K.

Koshioka, M.

K. Sasaki, M. Koshioka, H. Misawa, and N. Kitamura, Appl. Phys. Lett. 60, 807 (1992).
[CrossRef]

Leach, J.

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

Li, Y.

C. Xie and Y. Li, Appl. Phys. Lett. 81, 951 (2002).
[CrossRef]

McNay, G.

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

Misawa, H.

K. Sasaki, M. Koshioka, H. Misawa, and N. Kitamura, Appl. Phys. Lett. 60, 807 (1992).
[CrossRef]

Monaghan, P. B.

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

Padgett, M.

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

Sasaki, K.

K. Sasaki, M. Koshioka, H. Misawa, and N. Kitamura, Appl. Phys. Lett. 60, 807 (1992).
[CrossRef]

Sato, S.

Sinclair, G.

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

Smith, W. E.

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

Svoboda, K.

Tolaieb, B.

B. Tolaieb, C. J. L. Constantino, and R. F. Aroca, Analyst 129, 337 (2004).
[CrossRef]

Verpoorte, E.

E. Verpoorte, Lab Chip 3, 60N (2003).
[CrossRef]

Waesda, Y.

Wang, Y.

Xie, C.

C. Xie and Y. Li, Appl. Phys. Lett. 81, 951 (2002).
[CrossRef]

Yamaguchi, I.

Analyst (1)

B. Tolaieb, C. J. L. Constantino, and R. F. Aroca, Analyst 129, 337 (2004).
[CrossRef]

Angew. Chem. Int. Ed. Engl. (1)

G. McNay, F. T. Docherty, D. Graham, W. E. Smith, P. Jordan, M. Padgett, J. Leach, G. Sinclair, P. B. Monaghan, and J. M. Cooper, Angew. Chem. Int. Ed. Engl. 43, 2512 (2004).
[CrossRef] [PubMed]

Appl. Phys. Lett. (2)

C. Xie and Y. Li, Appl. Phys. Lett. 81, 951 (2002).
[CrossRef]

K. Sasaki, M. Koshioka, H. Misawa, and N. Kitamura, Appl. Phys. Lett. 60, 807 (1992).
[CrossRef]

Appl. Spectrosc. (1)

Lab Chip (1)

E. Verpoorte, Lab Chip 3, 60N (2003).
[CrossRef]

Opt. Lett. (4)

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Figures (3)

Fig. 1
Fig. 1

Transmission electron micrographs of (a) plain silica particles, (b) a silica particle with 0–25% of its surface covered in silver deposits, (c) a silica particle with 50–75% of its surface covered in silver deposits, (d) a silica particle with 75–100% of its surface covered in silver deposits.

Fig. 2
Fig. 2

Sequence of images showing (a), (b) a trapped, partially silvered particle being moved in the transverse direction and then (c), (d) being lifted 40 µm in the axial direction.

Fig. 3
Fig. 3

SERRS spectra from (a) silver microparticles coated by use of a 10-6M azo dye solution and trapped in the optical tweezers with an integration time of 100 ms with a 10-mW trapping beam, (b) comparison with silver colloid coated with the azo dye recorded in a dedicated Raman system, (c) silica microparticles coated in silver, (d) silica microparticles coated with the azo dye.

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