Abstract

We report a series of experiments in which Mie-scattering particles were optically driven in the evanescent field that is generated in a channeled waveguide. Polystyrene latex spheres with diameters of 1–5 μm were laterally trapped within the evanescent field, which was produced by a cw laser beam incident upon the waveguide and then longitudinally driven along the direction of the waveguide channel at speeds of as much as 14 μm/s. Metallic spheres of gold (0.5-μm diameter) and platinum (1-μm diameter) were also laterally trapped and longitudinally moved along the waveguide channel.

© 1996 Optical Society of America

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References

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  1. S. Kawata, T. Sugiura, Opt. Lett. 17, 772 (1992).
    [CrossRef] [PubMed]
  2. T. Sugiura, S. Kawata, in 41st Spring Meeting (Japan Society of Applied Physics, Tokyo, 1994), p. 861.
  3. V. I. Balykin, V. S. Letokhov, Yu. B. Ovchinnikov, A. I. Sidorov, Phys. Rev. Lett. 60, 2137 (1988).
    [CrossRef] [PubMed]
  4. S. Sato, Y. Harada, Y. Waseda, Opt. Lett. 19, 1807 (1994).
    [CrossRef] [PubMed]
  5. T. Sugiura, S. Kawata, Bioimaging 1, 1 (1993).
    [CrossRef]
  6. T. Sugiura, S. Kawata, Jpn. J. Opt. 23, 191 (1994).

1994 (2)

S. Sato, Y. Harada, Y. Waseda, Opt. Lett. 19, 1807 (1994).
[CrossRef] [PubMed]

T. Sugiura, S. Kawata, Jpn. J. Opt. 23, 191 (1994).

1993 (1)

T. Sugiura, S. Kawata, Bioimaging 1, 1 (1993).
[CrossRef]

1992 (1)

1988 (1)

V. I. Balykin, V. S. Letokhov, Yu. B. Ovchinnikov, A. I. Sidorov, Phys. Rev. Lett. 60, 2137 (1988).
[CrossRef] [PubMed]

Balykin, V. I.

V. I. Balykin, V. S. Letokhov, Yu. B. Ovchinnikov, A. I. Sidorov, Phys. Rev. Lett. 60, 2137 (1988).
[CrossRef] [PubMed]

Harada, Y.

Kawata, S.

T. Sugiura, S. Kawata, Jpn. J. Opt. 23, 191 (1994).

T. Sugiura, S. Kawata, Bioimaging 1, 1 (1993).
[CrossRef]

S. Kawata, T. Sugiura, Opt. Lett. 17, 772 (1992).
[CrossRef] [PubMed]

T. Sugiura, S. Kawata, in 41st Spring Meeting (Japan Society of Applied Physics, Tokyo, 1994), p. 861.

Letokhov, V. S.

V. I. Balykin, V. S. Letokhov, Yu. B. Ovchinnikov, A. I. Sidorov, Phys. Rev. Lett. 60, 2137 (1988).
[CrossRef] [PubMed]

Ovchinnikov, Yu. B.

V. I. Balykin, V. S. Letokhov, Yu. B. Ovchinnikov, A. I. Sidorov, Phys. Rev. Lett. 60, 2137 (1988).
[CrossRef] [PubMed]

Sato, S.

Sidorov, A. I.

V. I. Balykin, V. S. Letokhov, Yu. B. Ovchinnikov, A. I. Sidorov, Phys. Rev. Lett. 60, 2137 (1988).
[CrossRef] [PubMed]

Sugiura, T.

T. Sugiura, S. Kawata, Jpn. J. Opt. 23, 191 (1994).

T. Sugiura, S. Kawata, Bioimaging 1, 1 (1993).
[CrossRef]

S. Kawata, T. Sugiura, Opt. Lett. 17, 772 (1992).
[CrossRef] [PubMed]

T. Sugiura, S. Kawata, in 41st Spring Meeting (Japan Society of Applied Physics, Tokyo, 1994), p. 861.

Waseda, Y.

Bioimaging (1)

T. Sugiura, S. Kawata, Bioimaging 1, 1 (1993).
[CrossRef]

Jpn. J. Opt. (1)

T. Sugiura, S. Kawata, Jpn. J. Opt. 23, 191 (1994).

Opt. Lett. (2)

Phys. Rev. Lett. (1)

V. I. Balykin, V. S. Letokhov, Yu. B. Ovchinnikov, A. I. Sidorov, Phys. Rev. Lett. 60, 2137 (1988).
[CrossRef] [PubMed]

Other (1)

T. Sugiura, S. Kawata, in 41st Spring Meeting (Japan Society of Applied Physics, Tokyo, 1994), p. 861.

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Figures (6)

Fig. 1
Fig. 1

Experimental configuration for optically driving particles in a channeled waveguide.

Fig. 2
Fig. 2

Photograph sequence taken at 5-s intervals, illustrating the motion of a 5.1-μm-diameter latex sphere along the waveguide channel.

Fig. 3
Fig. 3

Photographs illustrating the collective single-file motion of several latex spheres along the waveguide channel.

Fig. 4
Fig. 4

Photograph sequence taken at 5-s intervals, showing the motion of a 0.5-μm-diameter gold particle along the waveguide channel.

Fig. 5
Fig. 5

Movement of a 1.0-μm-diameter platinum particle aggregate. (a), (b) Aggregate motion from left to right when the waveguide was illuminated by the laser. (c), (d) Dispersion of some particles, by Brownian motion, when the laser was cut off. (e)–(h) Motion of the remaining particles in the channel when the laser was turned on again.

Fig. 6
Fig. 6

Electric field distribution in the evanescent field near and inside a small dielectric particle (relative refractive index 1.5): (a) q = 18.08, (b) q = 18.58. The calculation was carried out by the boundary element method. The magnitude and the direction of the radiation force are given by the length and the direction, respectively, of the arrows.

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