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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 2 — Jan. 15, 2008
  • pp: 122–124

Forces in optical tweezers with radially and azimuthally polarized trapping beams

Timo A. Nieminen, Norman R. Heckenberg, and Halina Rubinsztein-Dunlop  »View Author Affiliations


Optics Letters, Vol. 33, Issue 2, pp. 122-124 (2008)
http://dx.doi.org/10.1364/OL.33.000122


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Abstract

It has been suggested that radially polarized beams can be used to improve the performance of optical tweezers, with reduced scattering force resulting from both the polarization and the dark center of the beam [ Opt. Lett. 32, 1839 (2007) ]. We calculate the forces on particles in such traps, using rigorous electromagnetic theory, comparing the results with azimuthally polarized beam, circularly polarized LG 01 beams, and Gaussian beams. Our results agree qualitatively with Opt. Lett. 32, 1839 (2007) , but differ quantitatively.

© 2008 Optical Society of America

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

ToC Category:
Other Areas of Optics

History
Original Manuscript: November 12, 2007
Manuscript Accepted: December 1, 2007
Published: January 8, 2008

Virtual Issues
Vol. 3, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Timo A. Nieminen, Norman R. Heckenberg, and Halina Rubinsztein-Dunlop, "Forces in optical tweezers with radially and azimuthally polarized trapping beams," Opt. Lett. 33, 122-124 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-2-122

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