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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 6 — Mar. 22, 2004
  • pp: 1144–1149

Microoptomechanical pumps assembled and driven by holographic optical vortex arrays

Kosta Ladavac and David G. Grier  »View Author Affiliations

Optics Express, Vol. 12, Issue 6, pp. 1144-1149 (2004)

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Beams of light with helical wavefronts can be focused into ring-like optical traps known as optical vortices. The orbital angular momentum carried by photons in helical modes can be transferred to trapped mesoscopic objects and thereby coupled to a surrounding fluid. We demonstrate that arrays of optical vortices created with the holographic optical tweezer technique can assemble colloidal spheres into dynamically reconfigurable microoptomechanical pumps assembled by optical gradient forces and actuated by photon orbital angular momentum.

© 2004 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(120.4610) Instrumentation, measurement, and metrology : Optical fabrication
(140.7010) Lasers and laser optics : Laser trapping

ToC Category:
Research Papers

Original Manuscript: February 26, 2004
Revised Manuscript: March 12, 2004
Published: March 22, 2004

Kosta Ladavac and David Grier, "Microoptomechanical pumps assembled and driven by holographic optical vortex arrays," Opt. Express 12, 1144-1149 (2004)

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