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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 4, Iss. 12 — Dec. 10, 2006
  • pp: 722–724

Methods of calibration to optical trapping force upon non-spherical cells

Youli Yu, Zhenxi Zhang, Zheng Li, and Xiaoli Wang  »View Author Affiliations

Chinese Optics Letters, Vol. 4, Issue 12, pp. 722-724 (2006)

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The dynamical equation of a trapping cell is solved to find calibration methods for the trapping force, and two methods are compared by synthetic experiment data. Results indicate that: Boltzmann distribution method (BDM) is available for the force calibration of non-spherical or anisotropic cells in arbitrary trap potential; the mean square displacement method (MSDM) is available only for a symmetric harmonic optical trap. The spatial resolution requirement of the calibration system is about a nanometer. The results agree with the reported experiments.

© 2006 Chinese Optics Letters

OCIS Codes
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.4580) Medical optics and biotechnology : Optical diagnostics for medicine

Youli Yu, Zhenxi Zhang, Zheng Li, and Xiaoli Wang, "Methods of calibration to optical trapping force upon non-spherical cells," Chin. Opt. Lett. 4, 722-724 (2006)

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