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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 8 — Aug. 10, 2007

Calculation of optical trapping forces on a dielectric sphere in the ray optics regime produced by a radially polarized laser beam

Hikaru Kawauchi, Kazuhiro Yonezawa, Yuichi Kozawa, and Shunichi Sato  »View Author Affiliations


Optics Letters, Vol. 32, Issue 13, pp. 1839-1841 (2007)
http://dx.doi.org/10.1364/OL.32.001839


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Abstract

We calculated the optical trapping forces on a microscopic particle in the ray optics regime for the case where a radially polarized laser beam is applied. A higher axial trapping efficiency than for a circularly polarized doughnut beam was predicted due to the large p polarization component. Three-dimensional optical trapping was expected for particles with a larger index of refraction and for objectives with a smaller numerical aperture.

© 2007 Optical Society of America

OCIS Codes
(080.2710) Geometric optics : Inhomogeneous optical media
(140.7010) Lasers and laser optics : Laser trapping
(260.5430) Physical optics : Polarization
(290.5850) Scattering : Scattering, particles

ToC Category:
Physical Optics

History
Original Manuscript: April 10, 2007
Manuscript Accepted: April 13, 2007
Published: June 20, 2007

Virtual Issues
Vol. 2, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Hikaru Kawauchi, Kazuhiro Yonezawa, Yuichi Kozawa, and Shunichi Sato, "Calculation of optical trapping forces on a dielectric sphere in the ray optics regime produced by a radially polarized laser beam," Opt. Lett. 32, 1839-1841 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-32-13-1839


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