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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 18 — Sep. 5, 2005
  • pp: 6899–6904

Actuation of microfabricated tools using multiple GPC-based counterpropagating-beam traps

Peter John Rodrigo, Lauge Gammelgaard, Peter Bøggild, Ivan Perch-Nielsen, and Jesper Glückstad  »View Author Affiliations

Optics Express, Vol. 13, Issue 18, pp. 6899-6904 (2005)

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We explore the functionalities of a generalized phase contrast (GPC) -based multiple-beam trapping system for the actuation of various microfabricated SiO2 structures in liquid suspension. The arrays of optical traps are formed using two counterpropagating light fields, each of which is spatially reconfigurable in both cross-sectional geometry and intensity distribution, either in a user-interactive manner or under computer supervision. Design of microtools includes multiple appendages with rounded endings by which optical traps hold and three-dimensionally actuate individual tools. Proof-of-principle demonstrations show the collective and user-coordinated utility of multiple beams for driving microstructured objects. The potential to integrate these optically powered microtools may lead to more complex miniaturized machineries �?? a closely achievable goal with the real-time reconfigurable optical traps employed in this work.

© 2005 Optical Society of America

OCIS Codes
(140.7010) Lasers and laser optics : Laser trapping
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Research Papers

Original Manuscript: July 15, 2005
Revised Manuscript: August 21, 2005
Published: September 5, 2005

Peter John Rodrigo, Lauge Gammelgaard, Peter Bøggild, Ivan Perch-Nielsen, and Jesper Glückstad, "Actuation of microfabricated tools using multiple GPC-based counterpropagating-beam traps," Opt. Express 13, 6899-6904 (2005)

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  18. J. Glückstad, I. R. Perch-Nielsen, and P. J. Rodrigo, in preparation.

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