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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 14 — Jul. 2, 2012
  • pp: 14879–14890

Optimization of plasmonic nanostructure for nanoparticle trapping

Jingzhi Wu and Xiaosong Gan  »View Author Affiliations

Optics Express, Vol. 20, Issue 14, pp. 14879-14890 (2012)

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We present a detailed analysis of nanoparticle trapping using plasmonic nanostructures, which predicts an improvement of two orders of magnitude in trapping force obtained by optimizing the plasmon resonance of the nanostructures. As the result, a total of four orders of magnitude enhancement in trapping force can be achieved comparing to the case without the nanostructures. In addition, it is illustrated that tuning the resonance wavelength is achievable by varying the diameter and/or the height of the nanorods.

© 2012 OSA

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Optical Trapping and Manipulation

Original Manuscript: March 9, 2012
Revised Manuscript: April 28, 2012
Manuscript Accepted: June 5, 2012
Published: June 19, 2012

Virtual Issues
Vol. 7, Iss. 9 Virtual Journal for Biomedical Optics

Jingzhi Wu and Xiaosong Gan, "Optimization of plasmonic nanostructure for nanoparticle trapping," Opt. Express 20, 14879-14890 (2012)

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