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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 16, Iss. 4 — Apr. 1, 1999
  • pp: 533–537

Simultaneous trapping of low-index and high-index microparticles observed with an optical-vortex trap

K. T. Gahagan and G. A. Swartzlander, Jr.  »View Author Affiliations


JOSA B, Vol. 16, Issue 4, pp. 533-537 (1999)
http://dx.doi.org/10.1364/JOSAB.16.000533


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Abstract

We report the first observation of the simultaneous three-dimensional confinement of both a low-index particle and a high-index particle within a single-beam optical trap by using a strongly focused laser beam containing an optical vortex. Experimental and theoretical investigations of the trap stability are described.

© 1999 Optical Society of America

OCIS Codes
(140.7010) Lasers and laser optics : Laser trapping
(350.4990) Other areas of optics : Particles

Citation
K. T. Gahagan and G. A. Swartzlander, Jr., "Simultaneous trapping of low-index and high-index microparticles observed with an optical-vortex trap," J. Opt. Soc. Am. B 16, 533-537 (1999)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-16-4-533

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