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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 17 — Aug. 16, 2010
  • pp: 18483–18491

Flow-assisted Single-beam Optothermal Manipulation of Microparticles

Yangyang Liu and Andrew W. Poon  »View Author Affiliations


Optics Express, Vol. 18, Issue 17, pp. 18483-18491 (2010)
http://dx.doi.org/10.1364/OE.18.018483


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Abstract

An optothermal tweezer was developed with a single-beam laser at 1550 nm for manipulation of colloidal microparticles. Strong absorption in water can thermally induce a localized flow, which exerts a Stokes’ drag on the particles that complements the gradient force. Long-range capturing of 6 µm polystyrene particles over ~ 176 µm was observed with a tweezing power of ~7 mW. Transportation and levitation, targeted deposition and selective levitation of particles were explored to experimentally demonstrate the versatility of the optothermal tweezer as a multipurpose particle manipulation tool.

© 2010 Optical Society of America

OCIS Codes
(140.6810) Lasers and laser optics : Thermal effects
(140.7010) Lasers and laser optics : Laser trapping
(350.4855) Other areas of optics : Optical tweezers or optical manipulation

ToC Category:
Optical Trapping and Manipulation

History
Original Manuscript: June 1, 2010
Revised Manuscript: July 31, 2010
Manuscript Accepted: August 2, 2010
Published: August 13, 2010

Virtual Issues
Vol. 5, Iss. 13 Virtual Journal for Biomedical Optics

Citation
Yangyang Liu and Andrew W. Poon, "Flow-assisted Single-beam Optothermal Manipulation of Microparticles," Opt. Express 18, 18483-18491 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-17-18483


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References

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