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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 3 — Feb. 10, 2010

Rotational dynamics of optically trapped nanofibers

Antonio Alvaro Ranha Neves, Andrea Camposeo, Stefano Pagliara, Rosalba Saija, Ferdinando Borghese, Paolo Denti, Maria Antonia Iatì, Roberto Cingolani, Onofrio M. Maragò, and Dario Pisignano  »View Author Affiliations

Optics Express, Vol. 18, Issue 2, pp. 822-830 (2010)

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We report on the experimental evidence of tilted polymer nanofiber rotation, using a highly focused linear polarized Gaussian beam. Torque is controlled by varying trapping power or fiber tilt angle. This suggests an alternative strategy to previously reported approaches for the rotation of nano-objects, to test fundamental theoretical aspects. We compare experimental rotation frequencies to calculations based on T-Matrix formalism, which accurately reproduces measured data, thus providing a comprehensive description of trapping and rotation dynamics of the linear nanostructures.

© 2010 OSA

OCIS Codes
(160.5470) Materials : Polymers
(170.0180) Medical optics and biotechnology : Microscopy
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(160.4236) Materials : Nanomaterials
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
(290.5825) Scattering : Scattering theory

ToC Category:
Optical Trapping and Manipulation

Original Manuscript: September 11, 2009
Revised Manuscript: October 19, 2009
Manuscript Accepted: October 28, 2009
Published: January 6, 2010

Virtual Issues
Vol. 5, Iss. 3 Virtual Journal for Biomedical Optics

Antonio Alvaro Ranha Neves, Andrea Camposeo, Stefano Pagliara, Rosalba Saija, Ferdinando Borghese, Paolo Denti, Maria Antonia Iatì, Roberto Cingolani, Onofrio M. Maragò, and Dario Pisignano, "Rotational dynamics of optically trapped nanofibers," Opt. Express 18, 822-830 (2010)

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