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Optics Letters

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  • Vol. 26, Iss. 12 — Jun. 15, 2001
  • pp: 863–865

Trapping and manipulation of low-index particles in a two-dimensional interferometric optical trap

M. P. MacDonald, L. Paterson, W. Sibbett, K. Dholakia, and P. E. Bryant  »View Author Affiliations


Optics Letters, Vol. 26, Issue 12, pp. 863-865 (2001)
http://dx.doi.org/10.1364/OL.26.000863


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Abstract

We demonstrate optical trapping and manipulation of low-index spheres in two dimensions, using the pattern produced by two interfering plane waves. This technique shows, for what is believed to be the first time, alignment of an array of hollow spheres and simultaneous manipulation of high- and low-index particles in the horizontal plane. Furthermore, rodlike particles (up to 30µm in length) are manipulated simultaneously with the low-index particles. This technique offers a practical method for manipulating bubbles, low-index droplets, or rodlike biological samples.

© 2001 Optical Society of America

OCIS Codes
(140.7010) Lasers and laser optics : Laser trapping
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(350.4990) Other areas of optics : Particles

Citation
M. P. MacDonald, L. Paterson, W. Sibbett, K. Dholakia, and P. E. Bryant, "Trapping and manipulation of low-index particles in a two-dimensional interferometric optical trap," Opt. Lett. 26, 863-865 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-12-863


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