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Optical trapping with focused Airy beams |
Applied Optics, Vol. 50, Issue 1, pp. 43-49 (2011)
http://dx.doi.org/10.1364/AO.50.000043
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Abstract
Airy beams are attractive owing to their two intriguing properties—self-bending and nondiffraction—that are particularly helpful for optical manipulation of particles. We perform theoretical and experimental investigations into the focusing property of Airy beams and provide insight into the trapping ability of tightly focused Airy beams. Experiment on optical tweezers demonstrates that the focused Airy beams can create multiple traps for two-dimensional confining particles, and the stable traps exist in the vicinity of the main intensity lobes in the focused beams. The trapping pattern can be varied with changes in the cross section of the focused beam. The focused Airy beam offers a novel way of optically manipulating microparticles.
© 2010 Optical Society of America
OCIS Codes
(050.1960) Diffraction and gratings : Diffraction theory
(140.3300) Lasers and laser optics : Laser beam shaping
(230.6120) Optical devices : Spatial light modulators
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: September 27, 2010
Manuscript Accepted: November 5, 2010
Published: December 21, 2010
Virtual Issues
Vol. 6, Iss. 2 Virtual Journal for Biomedical Optics
Citation
Zhu Zheng, Bai-Fu Zhang, Hao Chen, Jianping Ding, and Hui-Tian Wang, "Optical trapping with focused Airy beams," Appl. Opt. 50, 43-49 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-1-43
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