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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 10 — May. 14, 2007
  • pp: 6470–6477

Dielectric microsphere manipulation and chain assembly by counter-propagating waves in a channel waveguide

Katarina Grujic and Olav Gaute Hellesø  »View Author Affiliations


Optics Express, Vol. 15, Issue 10, pp. 6470-6477 (2007)
http://dx.doi.org/10.1364/OE.15.006470


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Abstract

We study the formation and the propulsion properties of chains of dielectric microspheres in the evanescent field of a channel waveguide made by Cs+ ion-exchange. Particle chains are shown to move faster than single particles. We exploit counter-propagating waves for axial positioning of single and chains of microspheres. The particles can be propelled back and forth at will, and trapped at a given point for several minutes. We demonstrate that this technique can also be used to assemble a long, one-particle wide, chain.

© 2007 Optical Society of America

OCIS Codes
(140.7010) Lasers and laser optics : Laser trapping
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Trapping

History
Original Manuscript: February 22, 2007
Revised Manuscript: March 26, 2007
Manuscript Accepted: March 29, 2007
Published: May 11, 2007

Virtual Issues
Vol. 2, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Katarina Grujic and Olav Gaute Hellesø, "Dielectric microsphere manipulation and chain assembly by counter-propagating waves in a channel waveguide," Opt. Express 15, 6470-6477 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-10-6470


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References

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