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Optical trapping of gold nanoparticles by cylindrical vector beam |
Optics Letters, Vol. 37, Issue 10, pp. 1694-1696 (2012)
http://dx.doi.org/10.1364/OL.37.001694
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Abstract
Optical trapping of gold nanoparticles is experimentally demonstrated using radially and azimuthally polarized beams. The transverse optical trapping stiffness of gold nanoparticles is measured. The radially polarized beam exhibits a higher trapping efficiency than the azimuthally polarized beam and the Gaussian beam. The transverse stiffness of particles with different diameters is measured experimentally and calculated via the discrete-dipole approximation method, and good agreement between theory and experiment is found.
© 2012 Optical Society of America
OCIS Codes
(140.7010) Lasers and laser optics : Laser trapping
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: January 17, 2012
Revised Manuscript: February 15, 2012
Manuscript Accepted: February 21, 2012
Published: May 14, 2012
Virtual Issues
Vol. 7, Iss. 7 Virtual Journal for Biomedical Optics
Citation
Lu Huang, Honglian Guo, Jiafang Li, Lin Ling, Baohua Feng, and Zhi-Yuan Li, "Optical trapping of gold nanoparticles by cylindrical vector beam," Opt. Lett. 37, 1694-1696 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-37-10-1694
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