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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. 3, Iss. 11 — Oct. 22, 2008

The effect of Mie resonances on trapping in optical tweezers

Alexander B. Stilgoe, Timo A. Nieminen, Gregor Knöner, Norman R. Heckenberg, and Halina Rubinsztein-Dunlop  »View Author Affiliations


Optics Express, Vol. 16, Issue 19, pp. 15039-15051 (2008)
http://dx.doi.org/10.1364/OE.16.015039


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Abstract

We calculate trapping forces, trap stiffness and interference effects for spherical particles in optical tweezers using electromagnetic theory. We show the dependence of these on relative refractive index and particle size. We investigate resonance effects, especially in high refractive index particles where interference effects are expected to be strongest. We also show how these simulations can be used to assist in the optimal design of traps.

© 2008 Optical Society of America

OCIS Codes
(140.7010) Lasers and laser optics : Laser trapping
(290.4020) Scattering : Mie theory
(350.4855) Other areas of optics : Optical tweezers or optical manipulation

ToC Category:
Optical Trapping and Manipulation

History
Original Manuscript: August 7, 2008
Revised Manuscript: September 3, 2008
Manuscript Accepted: September 3, 2008
Published: September 9, 2008

Virtual Issues
Vol. 3, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Alexander B. Stilgoe, Timo A. Nieminen, Gregor Knöener, Norman R. Heckenberg, and Halina Rubinsztein-Dunlop, "The effect of Mie resonances on trapping in optical tweezers," Opt. Express 16, 15039-15051 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-16-19-15039


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References

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