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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 25 — Dec. 11, 2006
  • pp: 12503–12509

Local stress distribution on the surface of a spherical cell in an optical stretcher

Paul B. Bareil, Yunlong Sheng, and Arthur Chiou  »View Author Affiliations


Optics Express, Vol. 14, Issue 25, pp. 12503-12509 (2006)
http://dx.doi.org/10.1364/OE.14.012503


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Abstract

We calculate stress distribution on the surface of a spherical cell trapped by two counter-propagating beams in an optical stretcher in the ray optics regime. We explain the apparition of peaks in the stress distribution, which were not revealed in the earlier published results. We consider the divergence of the incident beams from the fibers, and express the stress distribution as a function of fiber-to-cell distance. In an appendix, we show that the local scattering stress is perpendicular to the spherical refractive surface regardless of incident angle, polarization, the reflectance and transmittance at the surface. Our results may serve as a guideline for the optimization of experimental parameters in optical stretchers.

© 2006 Optical Society of America

OCIS Codes
(000.0000) General : General
(140.7010) Lasers and laser optics : Laser trapping

ToC Category:
Trapping

History
Original Manuscript: September 11, 2006
Revised Manuscript: November 20, 2006
Manuscript Accepted: November 24, 2006
Published: December 11, 2006

Virtual Issues
Vol. 2, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Paul B. Bareil, Yunlong Sheng, and Arthur Chiou, "Local scattering stress distribution on surface of a spherical cell in optical stretcher," Opt. Express 14, 12503-12509 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-25-12503


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References

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